Import Qt5x2 branch of QtWebkit for Qt 5.2

Importing a new snapshot of webkit.

Change-Id: I2d01ad12cdc8af8cb015387641120a9d7ea5f10c
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@digia.com>

1 files changed, 0 insertions, 4346 deletions

diff --git a/Source/WebKit/chromium/src/WebViewImpl.cpp b/Source/WebKit/chromium/src/WebViewImpl.cpp
deleted file mode 100644
index f66ae48c4..000000000
--- a/Source/WebKit/chromium/src/WebViewImpl.cpp
+++ /dev/null
@@ -1,4346 +0,0 @@
-/*
- * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "WebViewImpl.h"
-
-#include "AXObjectCache.h"
-#include "AutofillPopupMenuClient.h"
-#include "BackForwardListChromium.h"
-#include "BatteryClientImpl.h"
-#include "BatteryController.h"
-#include "CSSValueKeywords.h"
-#include "Chrome.h"
-#include "Color.h"
-#include "ColorSpace.h"
-#include "CompositionUnderlineVectorBuilder.h"
-#include "CompositorHUDFontAtlas.h"
-#include "ContextFeaturesClientImpl.h"
-#include "ContextMenu.h"
-#include "ContextMenuController.h"
-#include "ContextMenuItem.h"
-#include "Cursor.h"
-#include "DOMUtilitiesPrivate.h"
-#include "DeviceOrientationClientProxy.h"
-#include "Document.h"
-#include "DocumentLoader.h"
-#include "DragController.h"
-#include "DragData.h"
-#include "DragScrollTimer.h"
-#include "DragSession.h"
-#include "Editor.h"
-#include "EventHandler.h"
-#include "Extensions3D.h"
-#include "FocusController.h"
-#include "FontDescription.h"
-#include "Frame.h"
-#include "FrameLoader.h"
-#include "FrameSelection.h"
-#include "FrameTree.h"
-#include "FrameView.h"
-#include "GeolocationClientProxy.h"
-#include "GeolocationController.h"
-#include "GraphicsContext.h"
-#include "GraphicsContext3D.h"
-#include "GraphicsContext3DPrivate.h"
-#include "HTMLInputElement.h"
-#include "HTMLMediaElement.h"
-#include "HTMLNames.h"
-#include "HTMLTextAreaElement.h"
-#include "HitTestResult.h"
-#include "Image.h"
-#include "ImageBuffer.h"
-#include "InspectorController.h"
-#include "InspectorInstrumentation.h"
-#include "KeyboardCodes.h"
-#include "KeyboardEvent.h"
-#include "LayerPainterChromium.h"
-#include "LinkHighlight.h"
-#include "MIMETypeRegistry.h"
-#include "NodeRenderStyle.h"
-#include "NonCompositedContentHost.h"
-#include "Page.h"
-#include "PageGroup.h"
-#include "PageGroupLoadDeferrer.h"
-#include "PagePopupClient.h"
-#include "PageWidgetDelegate.h"
-#include "PlatformContextSkia.h"
-#include "PlatformKeyboardEvent.h"
-#include "PlatformMouseEvent.h"
-#include "PlatformWheelEvent.h"
-#include "PointerLockController.h"
-#include "PopupContainer.h"
-#include "PopupMenuClient.h"
-#include "PrerendererClientImpl.h"
-#include "ProgressTracker.h"
-#include "RenderLayerCompositor.h"
-#include "RenderView.h"
-#include "RenderWidget.h"
-#include "ResourceHandle.h"
-#include "SchemeRegistry.h"
-#include "SecurityOrigin.h"
-#include "SecurityPolicy.h"
-#include "Settings.h"
-#include "SharedGraphicsContext3D.h"
-#include "SpeechInputClientImpl.h"
-#include "SpeechRecognitionClientProxy.h"
-#include "StyleResolver.h"
-#include "Text.h"
-#include "TextFieldDecoratorImpl.h"
-#include "TextIterator.h"
-#include "Timer.h"
-#include "TraceEvent.h"
-#include "ValidationMessageClientImpl.h"
-#include "WebAccessibilityObject.h"
-#include "WebActiveWheelFlingParameters.h"
-#include "WebAutofillClient.h"
-#include "WebCompositorInputHandlerImpl.h"
-#include "WebDevToolsAgentImpl.h"
-#include "WebDevToolsAgentPrivate.h"
-#include "WebFrameImpl.h"
-#include "WebHelperPluginImpl.h"
-#include "WebHitTestResult.h"
-#include "WebInputElement.h"
-#include "WebInputEvent.h"
-#include "WebInputEventConversion.h"
-#include "WebMediaPlayerAction.h"
-#include "WebNode.h"
-#include "WebPagePopupImpl.h"
-#include "WebPlugin.h"
-#include "WebPluginAction.h"
-#include "WebPluginContainerImpl.h"
-#include "WebPopupMenuImpl.h"
-#include "WebRange.h"
-#include "WebRuntimeFeatures.h"
-#include "WebSettingsImpl.h"
-#include "WebTextInputInfo.h"
-#include "WebViewClient.h"
-#include "WheelEvent.h"
-#include "painting/GraphicsContextBuilder.h"
-#include "src/WebActiveGestureAnimation.h"
-#include <public/Platform.h>
-#include <public/WebCompositorOutputSurface.h>
-#include <public/WebCompositorSupport.h>
-#include <public/WebDragData.h>
-#include <public/WebFloatPoint.h>
-#include <public/WebGraphicsContext3D.h>
-#include <public/WebImage.h>
-#include <public/WebLayer.h>
-#include <public/WebLayerTreeView.h>
-#include <public/WebPoint.h>
-#include <public/WebRect.h>
-#include <public/WebString.h>
-#include <public/WebVector.h>
-#include <wtf/CurrentTime.h>
-#include <wtf/MainThread.h>
-#include <wtf/RefPtr.h>
-#include <wtf/TemporaryChange.h>
-#include <wtf/Uint8ClampedArray.h>
-
-#if ENABLE(DEFAULT_RENDER_THEME)
-#include "PlatformThemeChromiumDefault.h"
-#include "RenderThemeChromiumDefault.h"
-#endif
-
-#if ENABLE(GESTURE_EVENTS)
-#include "PlatformGestureEvent.h"
-#include "TouchDisambiguation.h"
-#endif
-
-#if OS(WINDOWS)
-#if !ENABLE(DEFAULT_RENDER_THEME)
-#include "RenderThemeChromiumWin.h"
-#endif
-#else
-#if OS(UNIX) && !OS(DARWIN) && !ENABLE(DEFAULT_RENDER_THEME)
-#include "PlatformThemeChromiumLinux.h"
-#include "RenderThemeChromiumLinux.h"
-#endif
-#include "RenderTheme.h"
-#endif
-
-// Get rid of WTF's pow define so we can use std::pow.
-#undef pow
-#include <cmath> // for std::pow
-
-using namespace WebCore;
-using namespace std;
-
-// The following constants control parameters for automated scaling of webpages
-// (such as due to a double tap gesture or find in page etc.). These are
-// experimentally determined.
-static const int touchPointPadding = 32;
-static const int nonUserInitiatedPointPadding = 11;
-static const float minScaleDifference = 0.01f;
-static const float doubleTapZoomContentDefaultMargin = 5;
-static const float doubleTapZoomContentMinimumMargin = 2;
-static const double doubleTapZoomAnimationDurationInSeconds = 0.25;
-static const float doubleTapZoomAlreadyLegibleRatio = 1.2f;
-
-// Constants for zooming in on a focused text field.
-static const double scrollAndScaleAnimationDurationInSeconds = 0.2;
-static const int minReadableCaretHeight = 18;
-static const float minScaleChangeToTriggerZoom = 1.05f;
-static const float leftBoxRatio = 0.3f;
-static const int caretPadding = 10;
-
-namespace WebKit {
-
-// Change the text zoom level by kTextSizeMultiplierRatio each time the user
-// zooms text in or out (ie., change by 20%).  The min and max values limit
-// text zoom to half and 3x the original text size.  These three values match
-// those in Apple's port in WebKit/WebKit/WebView/WebView.mm
-const double WebView::textSizeMultiplierRatio = 1.2;
-const double WebView::minTextSizeMultiplier = 0.5;
-const double WebView::maxTextSizeMultiplier = 3.0;
-const float WebView::minPageScaleFactor = 0.25f;
-const float WebView::maxPageScaleFactor = 4.0f;
-
-
-// The group name identifies a namespace of pages. Page group is used on PLATFORM(MAC)
-// for some programs that use HTML views to display things that don't seem like
-// web pages to the user (so shouldn't have visited link coloring).  We only use
-// one page group.
-const char* pageGroupName = "default";
-
-// Used to defer all page activity in cases where the embedder wishes to run
-// a nested event loop. Using a stack enables nesting of message loop invocations.
-static Vector<PageGroupLoadDeferrer*>& pageGroupLoadDeferrerStack()
-{
-    DEFINE_STATIC_LOCAL(Vector<PageGroupLoadDeferrer*>, deferrerStack, ());
-    return deferrerStack;
-}
-
-// Ensure that the WebDragOperation enum values stay in sync with the original
-// DragOperation constants.
-#define COMPILE_ASSERT_MATCHING_ENUM(coreName) \
-    COMPILE_ASSERT(int(coreName) == int(Web##coreName), dummy##coreName)
-COMPILE_ASSERT_MATCHING_ENUM(DragOperationNone);
-COMPILE_ASSERT_MATCHING_ENUM(DragOperationCopy);
-COMPILE_ASSERT_MATCHING_ENUM(DragOperationLink);
-COMPILE_ASSERT_MATCHING_ENUM(DragOperationGeneric);
-COMPILE_ASSERT_MATCHING_ENUM(DragOperationPrivate);
-COMPILE_ASSERT_MATCHING_ENUM(DragOperationMove);
-COMPILE_ASSERT_MATCHING_ENUM(DragOperationDelete);
-COMPILE_ASSERT_MATCHING_ENUM(DragOperationEvery);
-
-static const PopupContainerSettings autofillPopupSettings = {
-    false, // setTextOnIndexChange
-    false, // acceptOnAbandon
-    true, // loopSelectionNavigation
-    false // restrictWidthOfListBox (For security reasons show the entire entry
-          // so the user doesn't enter information he did not intend to.)
-};
-
-static bool shouldUseExternalPopupMenus = false;
-
-static int webInputEventKeyStateToPlatformEventKeyState(int webInputEventKeyState)
-{
-    int platformEventKeyState = 0;
-    if (webInputEventKeyState & WebInputEvent::ShiftKey)
-        platformEventKeyState = platformEventKeyState | WebCore::PlatformEvent::ShiftKey;
-    if (webInputEventKeyState & WebInputEvent::ControlKey)
-        platformEventKeyState = platformEventKeyState | WebCore::PlatformEvent::CtrlKey;
-    if (webInputEventKeyState & WebInputEvent::AltKey)
-        platformEventKeyState = platformEventKeyState | WebCore::PlatformEvent::AltKey;
-    if (webInputEventKeyState & WebInputEvent::MetaKey)
-        platformEventKeyState = platformEventKeyState | WebCore::PlatformEvent::MetaKey;
-    return platformEventKeyState;
-}
-
-// WebView ----------------------------------------------------------------
-
-WebView* WebView::create(WebViewClient* client)
-{
-    // Pass the WebViewImpl's self-reference to the caller.
-    return adoptRef(new WebViewImpl(client)).leakRef();
-}
-
-void WebView::setUseExternalPopupMenus(bool useExternalPopupMenus)
-{
-    shouldUseExternalPopupMenus = useExternalPopupMenus;
-}
-
-void WebView::updateVisitedLinkState(unsigned long long linkHash)
-{
-    Page::visitedStateChanged(PageGroup::pageGroup(pageGroupName), linkHash);
-}
-
-void WebView::resetVisitedLinkState()
-{
-    Page::allVisitedStateChanged(PageGroup::pageGroup(pageGroupName));
-}
-
-void WebView::willEnterModalLoop()
-{
-    PageGroup* pageGroup = PageGroup::pageGroup(pageGroupName);
-    ASSERT(pageGroup);
-
-    if (pageGroup->pages().isEmpty())
-        pageGroupLoadDeferrerStack().append(static_cast<PageGroupLoadDeferrer*>(0));
-    else {
-        // Pick any page in the page group since we are deferring all pages.
-        pageGroupLoadDeferrerStack().append(new PageGroupLoadDeferrer(*pageGroup->pages().begin(), true));
-    }
-}
-
-void WebView::didExitModalLoop()
-{
-    ASSERT(pageGroupLoadDeferrerStack().size());
-
-    delete pageGroupLoadDeferrerStack().last();
-    pageGroupLoadDeferrerStack().removeLast();
-}
-
-void WebViewImpl::initializeMainFrame(WebFrameClient* frameClient)
-{
-    // NOTE: The WebFrameImpl takes a reference to itself within InitMainFrame
-    // and releases that reference once the corresponding Frame is destroyed.
-    RefPtr<WebFrameImpl> frame = WebFrameImpl::create(frameClient);
-
-    frame->initializeAsMainFrame(page());
-
-    // Restrict the access to the local file system
-    // (see WebView.mm WebView::_commonInitializationWithFrameName).
-    SecurityPolicy::setLocalLoadPolicy(SecurityPolicy::AllowLocalLoadsForLocalOnly);
-}
-
-void WebViewImpl::initializeHelperPluginFrame(WebFrameClient* client)
-{
-    RefPtr<WebFrameImpl> frame = WebFrameImpl::create(client);
-}
-
-void WebViewImpl::setAutofillClient(WebAutofillClient* autofillClient)
-{
-    m_autofillClient = autofillClient;
-}
-
-void WebViewImpl::setDevToolsAgentClient(WebDevToolsAgentClient* devToolsClient)
-{
-    if (devToolsClient)
-        m_devToolsAgent = adoptPtr(new WebDevToolsAgentImpl(this, devToolsClient));
-    else
-        m_devToolsAgent.clear();
-}
-
-void WebViewImpl::setPermissionClient(WebPermissionClient* permissionClient)
-{
-    m_permissionClient = permissionClient;
-    m_featureSwitchClient->setPermissionClient(permissionClient);
-}
-
-void WebViewImpl::setPrerendererClient(WebPrerendererClient* prerendererClient)
-{
-    providePrerendererClientTo(m_page.get(), new PrerendererClientImpl(prerendererClient));
-}
-
-void WebViewImpl::setSpellCheckClient(WebSpellCheckClient* spellCheckClient)
-{
-    m_spellCheckClient = spellCheckClient;
-}
-
-void WebViewImpl::addTextFieldDecoratorClient(WebTextFieldDecoratorClient* client)
-{
-    ASSERT(client);
-    // We limit the number of decorators because it affects performance of text
-    // field creation. If you'd like to add more decorators, consider moving
-    // your decorator or existing decorators to WebCore.
-    const unsigned maximumNumberOfDecorators = 8;
-    if (m_textFieldDecorators.size() >= maximumNumberOfDecorators)
-        CRASH();
-    m_textFieldDecorators.append(TextFieldDecoratorImpl::create(client));
-}
-
-WebViewImpl::WebViewImpl(WebViewClient* client)
-    : m_client(client)
-    , m_autofillClient(0)
-    , m_permissionClient(0)
-    , m_spellCheckClient(0)
-    , m_chromeClientImpl(this)
-    , m_contextMenuClientImpl(this)
-    , m_dragClientImpl(this)
-    , m_editorClientImpl(this)
-    , m_inspectorClientImpl(this)
-    , m_shouldAutoResize(false)
-    , m_observedNewNavigation(false)
-#ifndef NDEBUG
-    , m_newNavigationLoader(0)
-#endif
-    , m_zoomLevel(0)
-    , m_minimumZoomLevel(zoomFactorToZoomLevel(minTextSizeMultiplier))
-    , m_maximumZoomLevel(zoomFactorToZoomLevel(maxTextSizeMultiplier))
-    , m_pageDefinedMinimumPageScaleFactor(-1)
-    , m_pageDefinedMaximumPageScaleFactor(-1)
-    , m_minimumPageScaleFactor(minPageScaleFactor)
-    , m_maximumPageScaleFactor(maxPageScaleFactor)
-    , m_ignoreViewportTagMaximumScale(false)
-    , m_pageScaleFactorIsSet(false)
-    , m_savedPageScaleFactor(0)
-    , m_doubleTapZoomInEffect(false)
-    , m_shouldUseDoubleTapTimeZero(false)
-    , m_contextMenuAllowed(false)
-    , m_doingDragAndDrop(false)
-    , m_ignoreInputEvents(false)
-    , m_suppressNextKeypressEvent(false)
-    , m_initialNavigationPolicy(WebNavigationPolicyIgnore)
-    , m_imeAcceptEvents(true)
-    , m_operationsAllowed(WebDragOperationNone)
-    , m_dragOperation(WebDragOperationNone)
-    , m_featureSwitchClient(adoptPtr(new ContextFeaturesClientImpl()))
-    , m_autofillPopupShowing(false)
-    , m_autofillPopup(0)
-    , m_isTransparent(false)
-    , m_tabsToLinks(false)
-    , m_dragScrollTimer(adoptPtr(new DragScrollTimer))
-    , m_isCancelingFullScreen(false)
-    , m_benchmarkSupport(this)
-#if USE(ACCELERATED_COMPOSITING)
-    , m_rootLayer(0)
-    , m_rootGraphicsLayer(0)
-    , m_isAcceleratedCompositingActive(false)
-    , m_layerTreeViewCommitsDeferred(false)
-    , m_compositorCreationFailed(false)
-    , m_recreatingGraphicsContext(false)
-    , m_compositorSurfaceReady(false)
-    , m_deviceScaleInCompositor(1)
-    , m_inputHandlerIdentifier(-1)
-    , m_isFontAtlasLoaded(false)
-#endif
-#if ENABLE(INPUT_SPEECH)
-    , m_speechInputClient(SpeechInputClientImpl::create(client))
-#endif
-#if ENABLE(SCRIPTED_SPEECH)
-    , m_speechRecognitionClient(SpeechRecognitionClientProxy::create(client ? client->speechRecognizer() : 0))
-#endif
-    , m_deviceOrientationClientProxy(adoptPtr(new DeviceOrientationClientProxy(client ? client->deviceOrientationClient() : 0)))
-    , m_geolocationClientProxy(adoptPtr(new GeolocationClientProxy(client ? client->geolocationClient() : 0)))
-#if ENABLE(BATTERY_STATUS)
-    , m_batteryClient(adoptPtr(new BatteryClientImpl(client ? client->batteryStatusClient() : 0)))
-#endif
-    , m_emulatedTextZoomFactor(1)
-#if ENABLE(MEDIA_STREAM)
-    , m_userMediaClientImpl(this)
-#endif
-#if ENABLE(NAVIGATOR_CONTENT_UTILS)
-    , m_navigatorContentUtilsClient(NavigatorContentUtilsClientImpl::create(this))
-#endif
-    , m_flingModifier(0)
-    , m_validationMessage(ValidationMessageClientImpl::create(*client))
-    , m_suppressInvalidations(false)
-{
-    // WebKit/win/WebView.cpp does the same thing, except they call the
-    // KJS specific wrapper around this method. We need to have threading
-    // initialized because CollatorICU requires it.
-    WTF::initializeThreading();
-    WTF::initializeMainThread();
-
-    Page::PageClients pageClients;
-    pageClients.chromeClient = &m_chromeClientImpl;
-    pageClients.contextMenuClient = &m_contextMenuClientImpl;
-    pageClients.editorClient = &m_editorClientImpl;
-    pageClients.dragClient = &m_dragClientImpl;
-    pageClients.inspectorClient = &m_inspectorClientImpl;
-    pageClients.backForwardClient = BackForwardListChromium::create(this);
-    // FIXME: Set pageClients.validationMessageClient when Chromium-side implementation is done.
-
-    m_page = adoptPtr(new Page(pageClients));
-#if ENABLE(MEDIA_STREAM)
-    provideUserMediaTo(m_page.get(), &m_userMediaClientImpl);
-#endif
-#if ENABLE(INPUT_SPEECH)
-    provideSpeechInputTo(m_page.get(), m_speechInputClient.get());
-#endif
-#if ENABLE(SCRIPTED_SPEECH)
-    provideSpeechRecognitionTo(m_page.get(), m_speechRecognitionClient.get());
-#endif
-#if ENABLE(NOTIFICATIONS) || ENABLE(LEGACY_NOTIFICATIONS)
-    provideNotification(m_page.get(), notificationPresenterImpl());
-#endif
-#if ENABLE(NAVIGATOR_CONTENT_UTILS)
-    provideNavigatorContentUtilsTo(m_page.get(), m_navigatorContentUtilsClient.get());
-#endif
-
-    provideContextFeaturesTo(m_page.get(), m_featureSwitchClient.get());
-    provideDeviceOrientationTo(m_page.get(), m_deviceOrientationClientProxy.get());
-    provideGeolocationTo(m_page.get(), m_geolocationClientProxy.get());
-    m_geolocationClientProxy->setController(GeolocationController::from(m_page.get()));
-
-#if ENABLE(BATTERY_STATUS)
-    provideBatteryTo(m_page.get(), m_batteryClient.get());
-    m_batteryClient->setController(BatteryController::from(m_page.get()));
-#endif
-
-    m_page->setGroupName(pageGroupName);
-
-    unsigned layoutMilestones = DidFirstLayout | DidFirstVisuallyNonEmptyLayout;
-    m_page->addLayoutMilestones(static_cast<LayoutMilestones>(layoutMilestones));
-
-#if ENABLE(PAGE_VISIBILITY_API)
-    if (m_client)
-        setVisibilityState(m_client->visibilityState(), true);
-#endif
-
-    m_inspectorSettingsMap = adoptPtr(new SettingsMap);
-}
-
-WebViewImpl::~WebViewImpl()
-{
-    ASSERT(!m_page);
-}
-
-RenderTheme* WebViewImpl::theme() const
-{
-    return m_page ? m_page->theme() : RenderTheme::defaultTheme().get();
-}
-
-WebFrameImpl* WebViewImpl::mainFrameImpl()
-{
-    return m_page ? WebFrameImpl::fromFrame(m_page->mainFrame()) : 0;
-}
-
-bool WebViewImpl::tabKeyCyclesThroughElements() const
-{
-    ASSERT(m_page);
-    return m_page->tabKeyCyclesThroughElements();
-}
-
-void WebViewImpl::setTabKeyCyclesThroughElements(bool value)
-{
-    if (m_page)
-        m_page->setTabKeyCyclesThroughElements(value);
-}
-
-void WebViewImpl::handleMouseLeave(Frame& mainFrame, const WebMouseEvent& event)
-{
-    m_client->setMouseOverURL(WebURL());
-    PageWidgetEventHandler::handleMouseLeave(mainFrame, event);
-}
-
-void WebViewImpl::handleMouseDown(Frame& mainFrame, const WebMouseEvent& event)
-{
-    // If there is a popup open, close it as the user is clicking on the page (outside of the
-    // popup). We also save it so we can prevent a click on an element from immediately
-    // reopening the same popup.
-    RefPtr<WebCore::PopupContainer> selectPopup;
-#if ENABLE(PAGE_POPUP)
-    RefPtr<WebPagePopupImpl> pagePopup;
-#endif
-    if (event.button == WebMouseEvent::ButtonLeft) {
-        selectPopup = m_selectPopup;
-#if ENABLE(PAGE_POPUP)
-        pagePopup = m_pagePopup;
-#endif
-        hidePopups();
-        ASSERT(!m_selectPopup);
-#if ENABLE(PAGE_POPUP)
-        ASSERT(!m_pagePopup);
-#endif
-    }
-
-    m_lastMouseDownPoint = WebPoint(event.x, event.y);
-
-    if (event.button == WebMouseEvent::ButtonLeft) {
-        IntPoint point(event.x, event.y);
-        point = m_page->mainFrame()->view()->windowToContents(point);
-        HitTestResult result(m_page->mainFrame()->eventHandler()->hitTestResultAtPoint(point, false));
-        Node* hitNode = result.innerNonSharedNode();
-
-        // Take capture on a mouse down on a plugin so we can send it mouse events.
-        if (hitNode && hitNode->renderer() && hitNode->renderer()->isEmbeddedObject())
-            m_mouseCaptureNode = hitNode;
-    }
-
-    PageWidgetEventHandler::handleMouseDown(mainFrame, event);
-
-    if (m_selectPopup && m_selectPopup == selectPopup) {
-        // That click triggered a select popup which is the same as the one that
-        // was showing before the click.  It means the user clicked the select
-        // while the popup was showing, and as a result we first closed then
-        // immediately reopened the select popup.  It needs to be closed.
-        hideSelectPopup();
-    }
-
-#if ENABLE(PAGE_POPUP)
-    if (m_pagePopup && pagePopup && m_pagePopup->hasSamePopupClient(pagePopup.get())) {
-        // That click triggered a page popup that is the same as the one we just closed.
-        // It needs to be closed.
-        closePagePopup(m_pagePopup.get());
-    }
-#endif
-
-    // Dispatch the contextmenu event regardless of if the click was swallowed.
-    // On Windows, we handle it on mouse up, not down.
-#if OS(DARWIN)
-    if (event.button == WebMouseEvent::ButtonRight
-        || (event.button == WebMouseEvent::ButtonLeft
-            && event.modifiers & WebMouseEvent::ControlKey))
-        mouseContextMenu(event);
-#elif OS(UNIX) || OS(ANDROID)
-    if (event.button == WebMouseEvent::ButtonRight)
-        mouseContextMenu(event);
-#endif
-}
-
-void WebViewImpl::mouseContextMenu(const WebMouseEvent& event)
-{
-    if (!mainFrameImpl() || !mainFrameImpl()->frameView())
-        return;
-
-    m_page->contextMenuController()->clearContextMenu();
-
-    PlatformMouseEventBuilder pme(mainFrameImpl()->frameView(), event);
-
-    // Find the right target frame. See issue 1186900.
-    HitTestResult result = hitTestResultForWindowPos(pme.position());
-    Frame* targetFrame;
-    if (result.innerNonSharedNode())
-        targetFrame = result.innerNonSharedNode()->document()->frame();
-    else
-        targetFrame = m_page->focusController()->focusedOrMainFrame();
-
-#if OS(WINDOWS)
-    targetFrame->view()->setCursor(pointerCursor());
-#endif
-
-    m_contextMenuAllowed = true;
-    targetFrame->eventHandler()->sendContextMenuEvent(pme);
-    m_contextMenuAllowed = false;
-    // Actually showing the context menu is handled by the ContextMenuClient
-    // implementation...
-}
-
-void WebViewImpl::handleMouseUp(Frame& mainFrame, const WebMouseEvent& event)
-{
-    PageWidgetEventHandler::handleMouseUp(mainFrame, event);
-
-#if OS(WINDOWS)
-    // Dispatch the contextmenu event regardless of if the click was swallowed.
-    // On Mac/Linux, we handle it on mouse down, not up.
-    if (event.button == WebMouseEvent::ButtonRight)
-        mouseContextMenu(event);
-#endif
-}
-
-void WebViewImpl::scrollBy(const WebPoint& delta)
-{
-    WebMouseWheelEvent syntheticWheel;
-    const float tickDivisor = WebCore::WheelEvent::tickMultiplier;
-
-    syntheticWheel.deltaX = delta.x;
-    syntheticWheel.deltaY = delta.y;
-    syntheticWheel.wheelTicksX = delta.x / tickDivisor;
-    syntheticWheel.wheelTicksY = delta.y / tickDivisor;
-    syntheticWheel.hasPreciseScrollingDeltas = true;
-    syntheticWheel.x = m_lastWheelPosition.x;
-    syntheticWheel.y = m_lastWheelPosition.y;
-    syntheticWheel.globalX = m_lastWheelGlobalPosition.x;
-    syntheticWheel.globalY = m_lastWheelGlobalPosition.y;
-    syntheticWheel.modifiers = m_flingModifier;
-
-    if (m_page && m_page->mainFrame() && m_page->mainFrame()->view())
-        handleMouseWheel(*m_page->mainFrame(), syntheticWheel);
-}
-
-#if ENABLE(GESTURE_EVENTS)
-bool WebViewImpl::handleGestureEvent(const WebGestureEvent& event)
-{
-    bool eventSwallowed = false;
-
-    // Handle link highlighting outside the main switch to avoid getting lost in the
-    // complicated set of cases handled below.
-    switch (event.type) {
-    case WebInputEvent::GestureTapDown:
-        // Queue a highlight animation, then hand off to regular handler.
-#if OS(LINUX)
-        if (settingsImpl()->gestureTapHighlightEnabled())
-            enableTouchHighlight(event);
-#endif
-        break;
-    case WebInputEvent::GestureTapCancel:
-    case WebInputEvent::GestureTap:
-    case WebInputEvent::GestureLongPress:
-        if (m_linkHighlight)
-            m_linkHighlight->startHighlightAnimationIfNeeded();
-        break;
-    default:
-        break;
-    }
-
-    switch (event.type) {
-    case WebInputEvent::GestureFlingStart: {
-        if (mainFrameImpl()->frame()->eventHandler()->isScrollbarHandlingGestures())
-            break;
-        m_client->cancelScheduledContentIntents();
-        m_lastWheelPosition = WebPoint(event.x, event.y);
-        m_lastWheelGlobalPosition = WebPoint(event.globalX, event.globalY);
-        m_flingModifier = event.modifiers;
-        OwnPtr<WebGestureCurve> flingCurve = adoptPtr(Platform::current()->createFlingAnimationCurve(event.data.flingStart.sourceDevice, WebFloatPoint(event.data.flingStart.velocityX, event.data.flingStart.velocityY), WebSize()));
-        m_gestureAnimation = WebActiveGestureAnimation::createAtAnimationStart(flingCurve.release(), this);
-        scheduleAnimation();
-        eventSwallowed = true;
-        break;
-    }
-    case WebInputEvent::GestureFlingCancel:
-        if (m_gestureAnimation) {
-            m_gestureAnimation.clear();
-            eventSwallowed = true;
-        }
-        break;
-    case WebInputEvent::GestureTap: {
-        m_client->cancelScheduledContentIntents();
-        if (detectContentOnTouch(WebPoint(event.x, event.y))) {
-            eventSwallowed = true;
-            break;
-        }
-
-        RefPtr<WebCore::PopupContainer> selectPopup;
-        selectPopup = m_selectPopup;
-        hideSelectPopup();
-        ASSERT(!m_selectPopup);
-
-        if (event.data.tap.width > 0) {
-            IntRect boundingBox(event.x - event.data.tap.width / 2, event.y - event.data.tap.height / 2, event.data.tap.width, event.data.tap.height);
-            Vector<IntRect> goodTargets;
-            findGoodTouchTargets(boundingBox, mainFrameImpl()->frame(), pageScaleFactor(), goodTargets);
-            // FIXME: replace touch adjustment code when numberOfGoodTargets == 1?
-            // Single candidate case is currently handled by: https://bugs.webkit.org/show_bug.cgi?id=85101
-            if (goodTargets.size() >= 2 && m_client && m_client->didTapMultipleTargets(event, goodTargets)) {
-                eventSwallowed = true;
-                break;
-            }
-        }
-
-        PlatformGestureEventBuilder platformEvent(mainFrameImpl()->frameView(), event);
-        eventSwallowed = mainFrameImpl()->frame()->eventHandler()->handleGestureEvent(platformEvent);
-
-        if (m_selectPopup && m_selectPopup == selectPopup) {
-            // That tap triggered a select popup which is the same as the one that
-            // was showing before the tap. It means the user tapped the select
-            // while the popup was showing, and as a result we first closed then
-            // immediately reopened the select popup. It needs to be closed.
-            hideSelectPopup();
-        }
-
-        break;
-    }
-    case WebInputEvent::GestureTwoFingerTap:
-    case WebInputEvent::GestureLongPress:
-    case WebInputEvent::GestureLongTap: {
-        if (!mainFrameImpl() || !mainFrameImpl()->frameView())
-            break;
-
-        m_client->cancelScheduledContentIntents();
-        m_page->contextMenuController()->clearContextMenu();
-        m_contextMenuAllowed = true;
-        PlatformGestureEventBuilder platformEvent(mainFrameImpl()->frameView(), event);
-        eventSwallowed = mainFrameImpl()->frame()->eventHandler()->handleGestureEvent(platformEvent);
-        m_contextMenuAllowed = false;
-
-        break;
-    }
-    case WebInputEvent::GestureTapDown: {
-        m_client->cancelScheduledContentIntents();
-        PlatformGestureEventBuilder platformEvent(mainFrameImpl()->frameView(), event);
-        eventSwallowed = mainFrameImpl()->frame()->eventHandler()->handleGestureEvent(platformEvent);
-        break;
-    }
-    case WebInputEvent::GestureDoubleTap:
-        if (m_webSettings->doubleTapToZoomEnabled()) {
-            m_client->cancelScheduledContentIntents();
-            animateZoomAroundPoint(WebPoint(event.x, event.y), DoubleTap);
-            eventSwallowed = true;
-            break;
-        }
-    case WebInputEvent::GestureScrollBegin:
-    case WebInputEvent::GesturePinchBegin:
-        m_client->cancelScheduledContentIntents();
-    case WebInputEvent::GestureScrollEnd:
-    case WebInputEvent::GestureScrollUpdate:
-    case WebInputEvent::GestureTapCancel:
-    case WebInputEvent::GesturePinchEnd:
-    case WebInputEvent::GesturePinchUpdate: {
-        PlatformGestureEventBuilder platformEvent(mainFrameImpl()->frameView(), event);
-        eventSwallowed = mainFrameImpl()->frame()->eventHandler()->handleGestureEvent(platformEvent);
-        break;
-    }
-    default:
-        ASSERT_NOT_REACHED();
-    }
-    m_client->didHandleGestureEvent(event, eventSwallowed);
-    return eventSwallowed;
-}
-
-void WebViewImpl::transferActiveWheelFlingAnimation(const WebActiveWheelFlingParameters& parameters)
-{
-    TRACE_EVENT0("webkit", "WebViewImpl::transferActiveWheelFlingAnimation");
-    ASSERT(!m_gestureAnimation);
-    m_lastWheelPosition = parameters.point;
-    m_lastWheelGlobalPosition = parameters.globalPoint;
-    m_flingModifier = parameters.modifiers;
-    OwnPtr<WebGestureCurve> curve = adoptPtr(Platform::current()->createFlingAnimationCurve(parameters.sourceDevice, WebFloatPoint(parameters.delta), parameters.cumulativeScroll));
-    m_gestureAnimation = WebActiveGestureAnimation::createWithTimeOffset(curve.release(), this, parameters.startTime);
-    scheduleAnimation();
-}
-
-void WebViewImpl::renderingStats(WebRenderingStats& stats) const
-{
-    if (m_layerTreeView)
-        m_layerTreeView->renderingStats(stats);
-}
-
-void WebViewImpl::startPageScaleAnimation(const IntPoint& targetPosition, bool useAnchor, float newScale, double durationInSeconds)
-{
-    WebPoint clampedPoint = targetPosition;
-    if (!useAnchor)
-        clampedPoint = clampOffsetAtScale(targetPosition, newScale);
-    if ((!durationInSeconds && !useAnchor) || m_shouldUseDoubleTapTimeZero) {
-        setPageScaleFactor(newScale, clampedPoint);
-        return;
-    }
-    if (!m_layerTreeView)
-        return;
-
-    m_layerTreeView->startPageScaleAnimation(targetPosition, useAnchor, newScale, durationInSeconds);
-}
-#endif
-
-WebViewBenchmarkSupport* WebViewImpl::benchmarkSupport()
-{
-    return &m_benchmarkSupport;
-}
-
-void WebViewImpl::setShowFPSCounter(bool show)
-{
-    if (isAcceleratedCompositingActive()) {
-        TRACE_EVENT0("webkit", "WebViewImpl::setShowFPSCounter");
-#if USE(ACCELERATED_COMPOSITING)
-        loadFontAtlasIfNecessary();
-#endif
-        m_layerTreeView->setShowFPSCounter(show);
-    }
-    settingsImpl()->setShowFPSCounter(show);
-}
-
-void WebViewImpl::setShowPaintRects(bool show)
-{
-    if (isAcceleratedCompositingActive()) {
-        TRACE_EVENT0("webkit", "WebViewImpl::setShowPaintRects");
-        m_layerTreeView->setShowPaintRects(show);
-    }
-    settingsImpl()->setShowPaintRects(show);
-}
-
-bool WebViewImpl::handleKeyEvent(const WebKeyboardEvent& event)
-{
-    ASSERT((event.type == WebInputEvent::RawKeyDown)
-        || (event.type == WebInputEvent::KeyDown)
-        || (event.type == WebInputEvent::KeyUp));
-
-    // Halt an in-progress fling on a key event.
-    if (m_gestureAnimation)
-        m_gestureAnimation.clear();
-
-    // Please refer to the comments explaining the m_suppressNextKeypressEvent
-    // member.
-    // The m_suppressNextKeypressEvent is set if the KeyDown is handled by
-    // Webkit. A keyDown event is typically associated with a keyPress(char)
-    // event and a keyUp event. We reset this flag here as this is a new keyDown
-    // event.
-    m_suppressNextKeypressEvent = false;
-
-    // If there is a select popup, it should be the one processing the event,
-    // not the page.
-    if (m_selectPopup)
-        return m_selectPopup->handleKeyEvent(PlatformKeyboardEventBuilder(event));
-#if ENABLE(PAGE_POPUP)
-    if (m_pagePopup) {
-        m_pagePopup->handleKeyEvent(PlatformKeyboardEventBuilder(event));
-        // We need to ignore the next Char event after this otherwise pressing
-        // enter when selecting an item in the popup will go to the page.
-        if (WebInputEvent::RawKeyDown == event.type)
-            m_suppressNextKeypressEvent = true;
-        return true;
-    }
-#endif
-
-    // Give Autocomplete a chance to consume the key events it is interested in.
-    if (autocompleteHandleKeyEvent(event))
-        return true;
-
-    RefPtr<Frame> frame = focusedWebCoreFrame();
-    if (!frame)
-        return false;
-
-    EventHandler* handler = frame->eventHandler();
-    if (!handler)
-        return keyEventDefault(event);
-
-#if !OS(DARWIN)
-    const WebInputEvent::Type contextMenuTriggeringEventType =
-#if OS(WINDOWS)
-        WebInputEvent::KeyUp;
-#elif OS(UNIX)
-        WebInputEvent::RawKeyDown;
-#endif
-
-    bool isUnmodifiedMenuKey = !(event.modifiers & WebInputEvent::InputModifiers) && event.windowsKeyCode == VKEY_APPS;
-    bool isShiftF10 = event.modifiers == WebInputEvent::ShiftKey && event.windowsKeyCode == VKEY_F10;
-    if ((isUnmodifiedMenuKey || isShiftF10) && event.type == contextMenuTriggeringEventType) {
-        sendContextMenuEvent(event);
-        return true;
-    }
-#endif // !OS(DARWIN)
-
-    PlatformKeyboardEventBuilder evt(event);
-
-    if (handler->keyEvent(evt)) {
-        if (WebInputEvent::RawKeyDown == event.type) {
-            // Suppress the next keypress event unless the focused node is a plug-in node.
-            // (Flash needs these keypress events to handle non-US keyboards.)
-            Node* node = focusedWebCoreNode();
-            if (!node || !node->renderer() || !node->renderer()->isEmbeddedObject())
-                m_suppressNextKeypressEvent = true;
-        }
-        return true;
-    }
-
-    return keyEventDefault(event);
-}
-
-bool WebViewImpl::autocompleteHandleKeyEvent(const WebKeyboardEvent& event)
-{
-    if (!m_autofillPopupShowing
-        // Home and End should be left to the text field to process.
-        || event.windowsKeyCode == VKEY_HOME
-        || event.windowsKeyCode == VKEY_END)
-      return false;
-
-    // Pressing delete triggers the removal of the selected suggestion from the DB.
-    if (event.windowsKeyCode == VKEY_DELETE
-        && m_autofillPopup->selectedIndex() != -1) {
-        Node* node = focusedWebCoreNode();
-        if (!node || (node->nodeType() != Node::ELEMENT_NODE)) {
-            ASSERT_NOT_REACHED();
-            return false;
-        }
-        Element* element = static_cast<Element*>(node);
-        if (!element->hasLocalName(HTMLNames::inputTag)) {
-            ASSERT_NOT_REACHED();
-            return false;
-        }
-
-        int selectedIndex = m_autofillPopup->selectedIndex();
-
-        if (!m_autofillPopupClient->canRemoveSuggestionAtIndex(selectedIndex))
-            return false;
-
-        WebString name = WebInputElement(static_cast<HTMLInputElement*>(element)).nameForAutofill();
-        WebString value = m_autofillPopupClient->itemText(selectedIndex);
-        m_autofillClient->removeAutocompleteSuggestion(name, value);
-        // Update the entries in the currently showing popup to reflect the
-        // deletion.
-        m_autofillPopupClient->removeSuggestionAtIndex(selectedIndex);
-        refreshAutofillPopup();
-        return false;
-    }
-
-    if (!m_autofillPopup->isInterestedInEventForKey(event.windowsKeyCode))
-        return false;
-
-    if (m_autofillPopup->handleKeyEvent(PlatformKeyboardEventBuilder(event))) {
-        // We need to ignore the next Char event after this otherwise pressing
-        // enter when selecting an item in the menu will go to the page.
-        if (WebInputEvent::RawKeyDown == event.type)
-            m_suppressNextKeypressEvent = true;
-        return true;
-    }
-
-    return false;
-}
-
-bool WebViewImpl::handleCharEvent(const WebKeyboardEvent& event)
-{
-    ASSERT(event.type == WebInputEvent::Char);
-
-    // Please refer to the comments explaining the m_suppressNextKeypressEvent
-    // member.  The m_suppressNextKeypressEvent is set if the KeyDown is
-    // handled by Webkit. A keyDown event is typically associated with a
-    // keyPress(char) event and a keyUp event. We reset this flag here as it
-    // only applies to the current keyPress event.
-    bool suppress = m_suppressNextKeypressEvent;
-    m_suppressNextKeypressEvent = false;
-
-    // If there is a select popup, it should be the one processing the event,
-    // not the page.
-    if (m_selectPopup)
-        return m_selectPopup->handleKeyEvent(PlatformKeyboardEventBuilder(event));
-#if ENABLE(PAGE_POPUP)
-    if (m_pagePopup)
-        return m_pagePopup->handleKeyEvent(PlatformKeyboardEventBuilder(event));
-#endif
-
-    Frame* frame = focusedWebCoreFrame();
-    if (!frame)
-        return suppress;
-
-    EventHandler* handler = frame->eventHandler();
-    if (!handler)
-        return suppress || keyEventDefault(event);
-
-    PlatformKeyboardEventBuilder evt(event);
-    if (!evt.isCharacterKey())
-        return true;
-
-    // Accesskeys are triggered by char events and can't be suppressed.
-    if (handler->handleAccessKey(evt))
-        return true;
-
-    // Safari 3.1 does not pass off windows system key messages (WM_SYSCHAR) to
-    // the eventHandler::keyEvent. We mimic this behavior on all platforms since
-    // for now we are converting other platform's key events to windows key
-    // events.
-    if (evt.isSystemKey())
-        return false;
-
-    if (!suppress && !handler->keyEvent(evt))
-        return keyEventDefault(event);
-
-    return true;
-}
-
-#if ENABLE(GESTURE_EVENTS)
-WebRect WebViewImpl::computeBlockBounds(const WebRect& rect, AutoZoomType zoomType)
-{
-    if (!mainFrameImpl())
-        return WebRect();
-
-    // Use the rect-based hit test to find the node.
-    IntPoint point = mainFrameImpl()->frameView()->windowToContents(IntPoint(rect.x, rect.y));
-    HitTestResult result = mainFrameImpl()->frame()->eventHandler()->hitTestResultAtPoint(point,
-            false, zoomType == FindInPage, DontHitTestScrollbars, HitTestRequest::Active | HitTestRequest::ReadOnly,
-            IntSize(rect.width, rect.height));
-
-    Node* node = result.innerNonSharedNode();
-    if (!node)
-        return WebRect();
-
-    // Find the block type node based on the hit node.
-    while (node && (!node->renderer() || node->renderer()->isInline()))
-        node = node->parentNode();
-
-    // Return the bounding box in the window coordinate system.
-    if (node) {
-        IntRect rect = node->Node::pixelSnappedBoundingBox();
-        Frame* frame = node->document()->frame();
-        return frame->view()->contentsToWindow(rect);
-    }
-    return WebRect();
-}
-
-WebRect WebViewImpl::widenRectWithinPageBounds(const WebRect& source, int targetMargin, int minimumMargin)
-{
-    WebSize maxSize;
-    if (mainFrame())
-        maxSize = mainFrame()->contentsSize();
-    IntSize scrollOffset;
-    if (mainFrame())
-        scrollOffset = mainFrame()->scrollOffset();
-    int leftMargin = targetMargin;
-    int rightMargin = targetMargin;
-
-    const int absoluteSourceX = source.x + scrollOffset.width();
-    if (leftMargin > absoluteSourceX) {
-        leftMargin = absoluteSourceX;
-        rightMargin = max(leftMargin, minimumMargin);
-    }
-
-    const int maximumRightMargin = maxSize.width - (source.width + absoluteSourceX);
-    if (rightMargin > maximumRightMargin) {
-        rightMargin = maximumRightMargin;
-        leftMargin = min(leftMargin, max(rightMargin, minimumMargin));
-    }
-
-    const int newWidth = source.width + leftMargin + rightMargin;
-    const int newX = source.x - leftMargin;
-
-    ASSERT(newWidth >= 0);
-    ASSERT(scrollOffset.width() + newX + newWidth <= maxSize.width);
-
-    return WebRect(newX, source.y, newWidth, source.height);
-}
-
-void WebViewImpl::shouldUseAnimateDoubleTapTimeZeroForTesting(bool setToZero)
-{
-    m_shouldUseDoubleTapTimeZero = setToZero;
-}
-
-void WebViewImpl::computeScaleAndScrollForHitRect(const WebRect& hitRect, AutoZoomType zoomType, float& scale, WebPoint& scroll, bool& isAnchor)
-{
-    scale = pageScaleFactor();
-    scroll.x = scroll.y = 0;
-    WebRect targetRect = hitRect;
-    // Padding only depends on page scale when triggered by manually tapping
-    int padding = (zoomType == DoubleTap) ? touchPointPadding : nonUserInitiatedPointPadding;
-    if (targetRect.isEmpty())
-        targetRect.width = targetRect.height = padding;
-    WebRect rect = computeBlockBounds(targetRect, zoomType);
-    if (zoomType == FindInPage && rect.isEmpty()) {
-        // Keep current scale (no need to scroll as x,y will normally already
-        // be visible). FIXME: Revisit this if it isn't always true.
-        return;
-    }
-
-    bool scaleUnchanged = true;
-    if (!rect.isEmpty()) {
-        // Pages should be as legible as on desktop when at dpi scale, so no
-        // need to zoom in further when automatically determining zoom level
-        // (after double tap, find in page, etc), though the user should still
-        // be allowed to manually pinch zoom in further if they desire.
-        const float defaultScaleWhenAlreadyLegible = m_minimumPageScaleFactor * doubleTapZoomAlreadyLegibleRatio;
-        float legibleScale = deviceScaleFactor();
-        if (legibleScale < defaultScaleWhenAlreadyLegible)
-            legibleScale = (scale == m_minimumPageScaleFactor) ? defaultScaleWhenAlreadyLegible : m_minimumPageScaleFactor;
-
-        const float defaultMargin = doubleTapZoomContentDefaultMargin * deviceScaleFactor();
-        const float minimumMargin = doubleTapZoomContentMinimumMargin * deviceScaleFactor();
-        // We want the margins to have the same physical size, which means we
-        // need to express them in post-scale size. To do that we'd need to know
-        // the scale we're scaling to, but that depends on the margins. Instead
-        // we express them as a fraction of the target rectangle: this will be
-        // correct if we end up fully zooming to it, and won't matter if we
-        // don't.
-        rect = widenRectWithinPageBounds(rect,
-                static_cast<int>(defaultMargin * rect.width / m_size.width),
-                static_cast<int>(minimumMargin * rect.width / m_size.width));
-        // Fit block to screen, respecting limits.
-        scale *= static_cast<float>(m_size.width) / rect.width;
-        scale = min(scale, legibleScale);
-        scale = clampPageScaleFactorToLimits(scale);
-
-        scaleUnchanged = fabs(pageScaleFactor() - scale) < minScaleDifference;
-    }
-
-    if (zoomType == DoubleTap && (rect.isEmpty() || scaleUnchanged || m_doubleTapZoomInEffect)) {
-        // Zoom out to minimum scale.
-        scale = m_minimumPageScaleFactor;
-        scroll = WebPoint(hitRect.x, hitRect.y);
-        isAnchor = true;
-        m_doubleTapZoomInEffect = false;
-    } else {
-        if (zoomType == DoubleTap && scale != m_minimumPageScaleFactor)
-            m_doubleTapZoomInEffect = true;
-        else
-            m_doubleTapZoomInEffect = false;
-        // FIXME: If this is being called for auto zoom during find in page,
-        // then if the user manually zooms in it'd be nice to preserve the
-        // relative increase in zoom they caused (if they zoom out then it's ok
-        // to zoom them back in again). This isn't compatible with our current
-        // double-tap zoom strategy (fitting the containing block to the screen)
-        // though.
-
-        float screenHeight = m_size.height / scale * pageScaleFactor();
-        float screenWidth = m_size.width / scale * pageScaleFactor();
-
-        // Scroll to vertically align the block.
-        if (rect.height < screenHeight) {
-            // Vertically center short blocks.
-            rect.y -= 0.5 * (screenHeight - rect.height);
-        } else {
-            // Ensure position we're zooming to (+ padding) isn't off the bottom of
-            // the screen.
-            rect.y = max<float>(rect.y, hitRect.y + padding - screenHeight);
-        } // Otherwise top align the block.
-
-        // Do the same thing for horizontal alignment.
-        if (rect.width < screenWidth)
-            rect.x -= 0.5 * (screenWidth - rect.width);
-        else
-            rect.x = max<float>(rect.x, hitRect.x + padding - screenWidth);
-        scroll.x = rect.x;
-        scroll.y = rect.y;
-        isAnchor = false;
-    }
-
-    scale = clampPageScaleFactorToLimits(scale);
-    scroll = mainFrameImpl()->frameView()->windowToContents(scroll);
-    float scaleDelta = scale / pageScaleFactor();
-    scroll = WebPoint(scroll.x * scaleDelta, scroll.y * scaleDelta);
-    if (!isAnchor)
-        scroll = clampOffsetAtScale(scroll, scale);
-}
-
-static bool invokesHandCursor(Node* node, bool shiftKey, Frame* frame)
-{
-    if (!node || !node->renderer())
-        return false;
-
-    ECursor cursor = node->renderer()->style()->cursor();
-    return cursor == CURSOR_POINTER
-        || (cursor == CURSOR_AUTO && frame->eventHandler()->useHandCursor(node, node->isLink(), shiftKey));
-}
-
-Node* WebViewImpl::bestTouchLinkNode(const WebGestureEvent& touchEvent)
-{
-    if (!m_page || !m_page->mainFrame())
-        return 0;
-
-    Node* bestTouchNode = 0;
-
-    // FIXME: Should accept a search region from the caller instead of hard-coding the size.
-    IntSize touchEventSearchRegionSize(4, 2);
-    IntPoint touchEventLocation(touchEvent.x, touchEvent.y);
-    m_page->mainFrame()->eventHandler()->bestClickableNodeForTouchPoint(touchEventLocation, touchEventSearchRegionSize, touchEventLocation, bestTouchNode);
-    // bestClickableNodeForTouchPoint() doesn't always return a node that is a link, so let's try and find
-    // a link to highlight.
-    bool shiftKey = touchEvent.modifiers & WebGestureEvent::ShiftKey;
-    while (bestTouchNode && !invokesHandCursor(bestTouchNode, shiftKey, m_page->mainFrame()))
-        bestTouchNode = bestTouchNode->parentNode();
-
-    return bestTouchNode;
-}
-
-void WebViewImpl::enableTouchHighlight(const WebGestureEvent& touchEvent)
-{
-    // Always clear any existing highlight when this is invoked, even if we don't get a new target to highlight.
-    m_linkHighlight.clear();
-
-    Node* touchNode = bestTouchLinkNode(touchEvent);
-
-    if (!touchNode || !touchNode->renderer() || !touchNode->renderer()->enclosingLayer())
-        return;
-
-    Color highlightColor = touchNode->renderer()->style()->tapHighlightColor();
-    // Safari documentation for -webkit-tap-highlight-color says if the specified color has 0 alpha,
-    // then tap highlighting is disabled.
-    // http://developer.apple.com/library/safari/#documentation/appleapplications/reference/safaricssref/articles/standardcssproperties.html
-    if (!highlightColor.alpha())
-        return;
-
-    m_linkHighlight = LinkHighlight::create(touchNode, this);
-}
-
-#endif
-
-void WebViewImpl::animateZoomAroundPoint(const IntPoint& point, AutoZoomType zoomType)
-{
-#if ENABLE(GESTURE_EVENTS)
-    if (!mainFrameImpl())
-        return;
-
-    float scale;
-    WebPoint scroll;
-    bool isAnchor;
-    WebPoint webPoint = point;
-    computeScaleAndScrollForHitRect(WebRect(webPoint.x, webPoint.y, 0, 0), zoomType, scale, scroll, isAnchor);
-
-    bool isDoubleTap = (zoomType == DoubleTap);
-    double durationInSeconds = (isDoubleTap && !m_shouldUseDoubleTapTimeZero) ? doubleTapZoomAnimationDurationInSeconds : 0;
-    startPageScaleAnimation(scroll, isAnchor, scale, durationInSeconds);
-#endif
-}
-
-void WebViewImpl::zoomToFindInPageRect(const WebRect& rect)
-{
-    animateZoomAroundPoint(IntRect(rect).center(), FindInPage);
-}
-
-void WebViewImpl::numberOfWheelEventHandlersChanged(unsigned numberOfWheelHandlers)
-{
-    if (m_client)
-        m_client->numberOfWheelEventHandlersChanged(numberOfWheelHandlers);
-}
-
-void WebViewImpl::hasTouchEventHandlers(bool hasTouchHandlers)
-{
-    if (m_client)
-        m_client->hasTouchEventHandlers(hasTouchHandlers);
-}
-
-bool WebViewImpl::hasTouchEventHandlersAt(const WebPoint& point)
-{
-    return true;
-}
-
-#if !OS(DARWIN)
-// Mac has no way to open a context menu based on a keyboard event.
-bool WebViewImpl::sendContextMenuEvent(const WebKeyboardEvent& event)
-{
-    // The contextMenuController() holds onto the last context menu that was
-    // popped up on the page until a new one is created. We need to clear
-    // this menu before propagating the event through the DOM so that we can
-    // detect if we create a new menu for this event, since we won't create
-    // a new menu if the DOM swallows the event and the defaultEventHandler does
-    // not run.
-    page()->contextMenuController()->clearContextMenu();
-
-    m_contextMenuAllowed = true;
-    Frame* focusedFrame = page()->focusController()->focusedOrMainFrame();
-    bool handled = focusedFrame->eventHandler()->sendContextMenuEventForKey();
-    m_contextMenuAllowed = false;
-    return handled;
-}
-#endif
-
-bool WebViewImpl::keyEventDefault(const WebKeyboardEvent& event)
-{
-    Frame* frame = focusedWebCoreFrame();
-    if (!frame)
-        return false;
-
-    switch (event.type) {
-    case WebInputEvent::Char:
-        if (event.windowsKeyCode == VKEY_SPACE) {
-            int keyCode = ((event.modifiers & WebInputEvent::ShiftKey) ? VKEY_PRIOR : VKEY_NEXT);
-            return scrollViewWithKeyboard(keyCode, event.modifiers);
-        }
-        break;
-    case WebInputEvent::RawKeyDown:
-        if (event.modifiers == WebInputEvent::ControlKey) {
-            switch (event.windowsKeyCode) {
-#if !OS(DARWIN)
-            case 'A':
-                focusedFrame()->executeCommand(WebString::fromUTF8("SelectAll"));
-                return true;
-            case VKEY_INSERT:
-            case 'C':
-                focusedFrame()->executeCommand(WebString::fromUTF8("Copy"));
-                return true;
-#endif
-            // Match FF behavior in the sense that Ctrl+home/end are the only Ctrl
-            // key combinations which affect scrolling. Safari is buggy in the
-            // sense that it scrolls the page for all Ctrl+scrolling key
-            // combinations. For e.g. Ctrl+pgup/pgdn/up/down, etc.
-            case VKEY_HOME:
-            case VKEY_END:
-                break;
-            default:
-                return false;
-            }
-        }
-        if (!event.isSystemKey && !(event.modifiers & WebInputEvent::ShiftKey))
-            return scrollViewWithKeyboard(event.windowsKeyCode, event.modifiers);
-        break;
-    default:
-        break;
-    }
-    return false;
-}
-
-bool WebViewImpl::scrollViewWithKeyboard(int keyCode, int modifiers)
-{
-    ScrollDirection scrollDirection;
-    ScrollGranularity scrollGranularity;
-#if OS(DARWIN)
-    // Control-Up/Down should be PageUp/Down on Mac.
-    if (modifiers & WebMouseEvent::ControlKey) {
-      if (keyCode == VKEY_UP)
-        keyCode = VKEY_PRIOR;
-      else if (keyCode == VKEY_DOWN)
-        keyCode = VKEY_NEXT;
-    }
-#endif
-    if (!mapKeyCodeForScroll(keyCode, &scrollDirection, &scrollGranularity))
-        return false;
-    return propagateScroll(scrollDirection, scrollGranularity);
-}
-
-bool WebViewImpl::mapKeyCodeForScroll(int keyCode,
-                                      WebCore::ScrollDirection* scrollDirection,
-                                      WebCore::ScrollGranularity* scrollGranularity)
-{
-    switch (keyCode) {
-    case VKEY_LEFT:
-        *scrollDirection = ScrollLeft;
-        *scrollGranularity = ScrollByLine;
-        break;
-    case VKEY_RIGHT:
-        *scrollDirection = ScrollRight;
-        *scrollGranularity = ScrollByLine;
-        break;
-    case VKEY_UP:
-        *scrollDirection = ScrollUp;
-        *scrollGranularity = ScrollByLine;
-        break;
-    case VKEY_DOWN:
-        *scrollDirection = ScrollDown;
-        *scrollGranularity = ScrollByLine;
-        break;
-    case VKEY_HOME:
-        *scrollDirection = ScrollUp;
-        *scrollGranularity = ScrollByDocument;
-        break;
-    case VKEY_END:
-        *scrollDirection = ScrollDown;
-        *scrollGranularity = ScrollByDocument;
-        break;
-    case VKEY_PRIOR:  // page up
-        *scrollDirection = ScrollUp;
-        *scrollGranularity = ScrollByPage;
-        break;
-    case VKEY_NEXT:  // page down
-        *scrollDirection = ScrollDown;
-        *scrollGranularity = ScrollByPage;
-        break;
-    default:
-        return false;
-    }
-
-    return true;
-}
-
-void WebViewImpl::hideSelectPopup()
-{
-    if (m_selectPopup)
-        m_selectPopup->hidePopup();
-}
-
-bool WebViewImpl::propagateScroll(ScrollDirection scrollDirection,
-                                  ScrollGranularity scrollGranularity)
-{
-    Frame* frame = focusedWebCoreFrame();
-    if (!frame)
-        return false;
-
-    bool scrollHandled = frame->eventHandler()->scrollOverflow(scrollDirection, scrollGranularity);
-    Frame* currentFrame = frame;
-    while (!scrollHandled && currentFrame) {
-        scrollHandled = currentFrame->view()->scroll(scrollDirection, scrollGranularity);
-        currentFrame = currentFrame->tree()->parent();
-    }
-    return scrollHandled;
-}
-
-void  WebViewImpl::popupOpened(WebCore::PopupContainer* popupContainer)
-{
-    if (popupContainer->popupType() == WebCore::PopupContainer::Select) {
-        ASSERT(!m_selectPopup);
-        m_selectPopup = popupContainer;
-    }
-}
-
-void  WebViewImpl::popupClosed(WebCore::PopupContainer* popupContainer)
-{
-    if (popupContainer->popupType() == WebCore::PopupContainer::Select) {
-        ASSERT(m_selectPopup);
-        m_selectPopup = 0;
-    }
-}
-
-#if ENABLE(PAGE_POPUP)
-PagePopup* WebViewImpl::openPagePopup(PagePopupClient* client, const IntRect& originBoundsInRootView)
-{
-    ASSERT(client);
-    if (hasOpenedPopup())
-        hidePopups();
-    ASSERT(!m_pagePopup);
-
-    WebWidget* popupWidget = m_client->createPopupMenu(WebPopupTypePage);
-    ASSERT(popupWidget);
-    m_pagePopup = static_cast<WebPagePopupImpl*>(popupWidget);
-    if (!m_pagePopup->init(this, client, originBoundsInRootView)) {
-        m_pagePopup->closePopup();
-        m_pagePopup = 0;
-    }
-    return m_pagePopup.get();
-}
-
-void WebViewImpl::closePagePopup(PagePopup* popup)
-{
-    ASSERT(popup);
-    WebPagePopupImpl* popupImpl = static_cast<WebPagePopupImpl*>(popup);
-    ASSERT(m_pagePopup.get() == popupImpl);
-    if (m_pagePopup.get() != popupImpl)
-        return;
-    m_pagePopup->closePopup();
-    m_pagePopup = 0;
-}
-#endif
-
-void WebViewImpl::hideAutofillPopup()
-{
-    if (m_autofillPopupShowing) {
-        m_autofillPopup->hidePopup();
-        m_autofillPopupShowing = false;
-    }
-}
-
-WebHelperPluginImpl* WebViewImpl::createHelperPlugin(const String& pluginType)
-{
-    WebWidget* popupWidget = m_client->createPopupMenu(WebPopupTypeHelperPlugin);
-    ASSERT(popupWidget);
-    WebHelperPluginImpl* helperPlugin = static_cast<WebHelperPluginImpl*>(popupWidget);
-
-    if (!helperPlugin->init(this, pluginType)) {
-        helperPlugin->closeHelperPlugin();
-        helperPlugin = 0;
-    }
-    return helperPlugin;
-}
-
-Frame* WebViewImpl::focusedWebCoreFrame() const
-{
-    return m_page ? m_page->focusController()->focusedOrMainFrame() : 0;
-}
-
-WebViewImpl* WebViewImpl::fromPage(Page* page)
-{
-    if (!page)
-        return 0;
-
-    ChromeClientImpl* chromeClient = static_cast<ChromeClientImpl*>(page->chrome()->client());
-    return static_cast<WebViewImpl*>(chromeClient->webView());
-}
-
-PageGroup* WebViewImpl::defaultPageGroup()
-{
-    return PageGroup::pageGroup(pageGroupName);
-}
-
-// WebWidget ------------------------------------------------------------------
-
-void WebViewImpl::close()
-{
-    RefPtr<WebFrameImpl> mainFrameImpl;
-
-    if (m_page) {
-        // Initiate shutdown for the entire frameset.  This will cause a lot of
-        // notifications to be sent.
-        if (m_page->mainFrame()) {
-            mainFrameImpl = WebFrameImpl::fromFrame(m_page->mainFrame());
-            m_page->mainFrame()->loader()->frameDetached();
-        }
-        m_page.clear();
-    }
-
-    // Should happen after m_page.clear().
-    if (m_devToolsAgent)
-        m_devToolsAgent.clear();
-
-    // Reset the delegate to prevent notifications being sent as we're being
-    // deleted.
-    m_client = 0;
-
-    deref();  // Balances ref() acquired in WebView::create
-}
-
-void WebViewImpl::willStartLiveResize()
-{
-    if (mainFrameImpl() && mainFrameImpl()->frameView())
-        mainFrameImpl()->frameView()->willStartLiveResize();
-
-    Frame* frame = mainFrameImpl()->frame();
-    WebPluginContainerImpl* pluginContainer = WebFrameImpl::pluginContainerFromFrame(frame);
-    if (pluginContainer)
-        pluginContainer->willStartLiveResize();
-}
-
-void WebViewImpl::resize(const WebSize& newSize)
-{
-    if (m_shouldAutoResize || m_size == newSize)
-        return;
-
-    FrameView* view = mainFrameImpl()->frameView();
-    if (!view)
-        return;
-
-    WebSize oldSize = m_size;
-    float oldPageScaleFactor = pageScaleFactor();
-    IntSize oldScrollOffset = view->scrollOffset();
-    int oldFixedLayoutWidth = fixedLayoutSize().width;
-
-    m_size = newSize;
-
-#if ENABLE(VIEWPORT)
-    if (settings()->viewportEnabled()) {
-        // Fallback width is used to layout sites designed for desktop. The
-        // conventional size used by all mobile browsers is 980. When a mobile
-        // device has a particularly wide screen (such as a 10" tablet held in
-        // landscape), it can be larger.
-        const int standardFallbackWidth = 980;
-        int dpiIndependentViewportWidth = newSize.width / page()->deviceScaleFactor();
-        settings()->setLayoutFallbackWidth(std::max(standardFallbackWidth, dpiIndependentViewportWidth));
-
-        ViewportArguments viewportArguments = mainFrameImpl()->frame()->document()->viewportArguments();
-        m_page->chrome()->client()->dispatchViewportPropertiesDidChange(viewportArguments);
-    }
-#endif
-
-    WebDevToolsAgentPrivate* agentPrivate = devToolsAgentPrivate();
-    if (agentPrivate)
-        agentPrivate->webViewResized(newSize);
-    if (!agentPrivate || !agentPrivate->metricsOverridden()) {
-        WebFrameImpl* webFrame = mainFrameImpl();
-        if (webFrame->frameView())
-            webFrame->frameView()->resize(newSize.width, newSize.height);
-    }
-
-#if ENABLE(VIEWPORT)
-    if (settings()->viewportEnabled()) {
-        // Relayout immediately to obtain the new content width, which is needed
-        // to calculate the minimum scale limit.
-        view->layout();
-        computePageScaleFactorLimits();
-        // When the device rotates:
-        // - If the page width is unchanged, then zoom by new width/old width
-        //   such as to keep the same content horizontally onscreen.
-        // - If the page width stretches proportionally to the change in
-        //   screen width, then don't zoom at all (assuming the content has
-        //   scaled uniformly, then the same content will be horizontally
-        //   onscreen).
-        //   - If the page width partially stretches, then zoom partially to
-        //   make up the difference.
-        // In all cases try to keep the same content at the top of the screen.
-        float viewportWidthRatio = !oldSize.width ? 1 : newSize.width / (float) oldSize.width;
-        float fixedLayoutWidthRatio = !oldFixedLayoutWidth ? 1 : fixedLayoutSize().width / (float) oldFixedLayoutWidth;
-        float scaleMultiplier = viewportWidthRatio / fixedLayoutWidthRatio;
-        if (scaleMultiplier != 1) {
-            IntSize scrollOffsetAtNewScale = oldScrollOffset;
-            scrollOffsetAtNewScale.scale(scaleMultiplier);
-            setPageScaleFactor(oldPageScaleFactor * scaleMultiplier, IntPoint(scrollOffsetAtNewScale));
-        }
-    }
-#endif
-
-    sendResizeEventAndRepaint();
-}
-
-void WebViewImpl::willEndLiveResize()
-{
-    if (mainFrameImpl() && mainFrameImpl()->frameView())
-        mainFrameImpl()->frameView()->willEndLiveResize();
-
-    Frame* frame = mainFrameImpl()->frame();
-    WebPluginContainerImpl* pluginContainer = WebFrameImpl::pluginContainerFromFrame(frame);
-    if (pluginContainer)
-        pluginContainer->willEndLiveResize();
-}
-
-void WebViewImpl::willEnterFullScreen()
-{
-#if ENABLE(FULLSCREEN_API)
-    if (!m_provisionalFullScreenElement)
-        return;
-
-    // Ensure that this element's document is still attached.
-    Document* doc = m_provisionalFullScreenElement->document();
-    if (doc->frame()) {
-        doc->webkitWillEnterFullScreenForElement(m_provisionalFullScreenElement.get());
-        m_fullScreenFrame = doc->frame();
-    }
-    m_provisionalFullScreenElement.clear();
-#endif
-}
-
-void WebViewImpl::didEnterFullScreen()
-{
-#if ENABLE(FULLSCREEN_API)
-    if (!m_fullScreenFrame)
-        return;
-
-    if (Document* doc = m_fullScreenFrame->document()) {
-        if (doc->webkitIsFullScreen())
-            doc->webkitDidEnterFullScreenForElement(0);
-    }
-#endif
-}
-
-void WebViewImpl::willExitFullScreen()
-{
-#if ENABLE(FULLSCREEN_API)
-    if (!m_fullScreenFrame)
-        return;
-
-    if (Document* doc = m_fullScreenFrame->document()) {
-        if (doc->webkitIsFullScreen()) {
-            // When the client exits from full screen we have to call webkitCancelFullScreen to
-            // notify the document. While doing that, suppress notifications back to the client.
-            m_isCancelingFullScreen = true;
-            doc->webkitCancelFullScreen();
-            m_isCancelingFullScreen = false;
-            doc->webkitWillExitFullScreenForElement(0);
-        }
-    }
-#endif
-}
-
-void WebViewImpl::didExitFullScreen()
-{
-#if ENABLE(FULLSCREEN_API)
-    if (!m_fullScreenFrame)
-        return;
-
-    if (Document* doc = m_fullScreenFrame->document()) {
-        if (doc->webkitIsFullScreen())
-            doc->webkitDidExitFullScreenForElement(0);
-    }
-
-    m_fullScreenFrame.clear();
-#endif
-}
-
-void WebViewImpl::instrumentBeginFrame()
-{
-    InspectorInstrumentation::didBeginFrame(m_page.get());
-}
-
-void WebViewImpl::instrumentCancelFrame()
-{
-    InspectorInstrumentation::didCancelFrame(m_page.get());
-}
-
-#if ENABLE(BATTERY_STATUS)
-void WebViewImpl::updateBatteryStatus(const WebBatteryStatus& status)
-{
-    m_batteryClient->updateBatteryStatus(status);
-}
-#endif
-
-void WebViewImpl::setCompositorSurfaceReady()
-{
-    m_compositorSurfaceReady = true;
-    if (m_layerTreeView)
-        m_layerTreeView->setSurfaceReady();
-}
-
-void WebViewImpl::animate(double)
-{
-#if ENABLE(REQUEST_ANIMATION_FRAME)
-    double monotonicFrameBeginTime = monotonicallyIncreasingTime();
-
-#if USE(ACCELERATED_COMPOSITING)
-    // In composited mode, we always go through the compositor so it can apply
-    // appropriate flow-control mechanisms.
-    if (isAcceleratedCompositingActive())
-        m_layerTreeView->updateAnimations(monotonicFrameBeginTime);
-    else
-#endif
-        updateAnimations(monotonicFrameBeginTime);
-#endif
-}
-
-void WebViewImpl::willBeginFrame()
-{
-    instrumentBeginFrame();
-    m_client->willBeginCompositorFrame();
-}
-
-void WebViewImpl::didBeginFrame()
-{
-    InspectorInstrumentation::didComposite(m_page.get());
-}
-
-void WebViewImpl::updateAnimations(double monotonicFrameBeginTime)
-{
-#if ENABLE(REQUEST_ANIMATION_FRAME)
-    TRACE_EVENT0("webkit", "WebViewImpl::updateAnimations");
-
-    // Create synthetic wheel events as necessary for fling.
-    if (m_gestureAnimation) {
-        if (m_gestureAnimation->animate(monotonicFrameBeginTime))
-            scheduleAnimation();
-        else
-            m_gestureAnimation.clear();
-    }
-
-    if (!m_page)
-        return;
-
-    PageWidgetDelegate::animate(m_page.get(), monotonicFrameBeginTime);
-#endif
-}
-
-void WebViewImpl::layout()
-{
-    TRACE_EVENT0("webkit", "WebViewImpl::layout");
-    PageWidgetDelegate::layout(m_page.get());
-
-    if (m_linkHighlight)
-        m_linkHighlight->updateGeometry();
-}
-
-void WebViewImpl::enterForceCompositingMode(bool enter)
-{
-    TRACE_EVENT1("webkit", "WebViewImpl::enterForceCompositingMode", "enter", enter);
-    settingsImpl()->setForceCompositingMode(enter);
-    if (enter) {
-        if (!m_page)
-            return;
-        Frame* mainFrame = m_page->mainFrame();
-        if (!mainFrame)
-            return;
-        mainFrame->view()->updateCompositingLayersAfterStyleChange();
-    }
-}
-
-#if USE(ACCELERATED_COMPOSITING)
-void WebViewImpl::doPixelReadbackToCanvas(WebCanvas* canvas, const IntRect& rect)
-{
-    ASSERT(m_layerTreeView);
-
-    SkBitmap target;
-    target.setConfig(SkBitmap::kARGB_8888_Config, rect.width(), rect.height(), rect.width() * 4);
-    target.allocPixels();
-    m_layerTreeView->compositeAndReadback(target.getPixels(), rect);
-#if (!SK_R32_SHIFT && SK_B32_SHIFT == 16)
-    // The compositor readback always gives back pixels in BGRA order, but for
-    // example Android's Skia uses RGBA ordering so the red and blue channels
-    // need to be swapped.
-    uint8_t* pixels = reinterpret_cast<uint8_t*>(target.getPixels());
-    for (size_t i = 0; i < target.getSize(); i += 4)
-        std::swap(pixels[i], pixels[i + 2]);
-#endif
-    canvas->writePixels(target, rect.x(), rect.y());
-}
-#endif
-
-void WebViewImpl::paint(WebCanvas* canvas, const WebRect& rect, PaintOptions option)
-{
-#if !OS(ANDROID)
-    // ReadbackFromCompositorIfAvailable is the only option available on non-Android.
-    // Ideally, Android would always use ReadbackFromCompositorIfAvailable as well.
-    ASSERT(option == ReadbackFromCompositorIfAvailable);
-#endif
-
-    if (option == ReadbackFromCompositorIfAvailable && isAcceleratedCompositingActive()) {
-#if USE(ACCELERATED_COMPOSITING)
-        // If a canvas was passed in, we use it to grab a copy of the
-        // freshly-rendered pixels.
-        if (canvas) {
-            // Clip rect to the confines of the rootLayerTexture.
-            IntRect resizeRect(rect);
-            resizeRect.intersect(IntRect(IntPoint(0, 0), m_layerTreeView->deviceViewportSize()));
-            doPixelReadbackToCanvas(canvas, resizeRect);
-        }
-#endif
-    } else {
-        FrameView* view = page()->mainFrame()->view();
-        PaintBehavior oldPaintBehavior = view->paintBehavior();
-        if (isAcceleratedCompositingActive()) {
-            ASSERT(option == ForceSoftwareRenderingAndIgnoreGPUResidentContent);            
-            view->setPaintBehavior(oldPaintBehavior | PaintBehaviorFlattenCompositingLayers);
-        }
-
-        double paintStart = currentTime();
-        PageWidgetDelegate::paint(m_page.get(), pageOverlays(), canvas, rect, isTransparent() ? PageWidgetDelegate::Translucent : PageWidgetDelegate::Opaque, m_webSettings->applyDeviceScaleFactorInCompositor());
-        double paintEnd = currentTime();
-        double pixelsPerSec = (rect.width * rect.height) / (paintEnd - paintStart);
-        WebKit::Platform::current()->histogramCustomCounts("Renderer4.SoftwarePaintDurationMS", (paintEnd - paintStart) * 1000, 0, 120, 30);
-        WebKit::Platform::current()->histogramCustomCounts("Renderer4.SoftwarePaintMegapixPerSecond", pixelsPerSec / 1000000, 10, 210, 30);
-
-        if (isAcceleratedCompositingActive()) {
-            ASSERT(option == ForceSoftwareRenderingAndIgnoreGPUResidentContent);            
-            view->setPaintBehavior(oldPaintBehavior);
-        }
-    }
-}
-
-bool WebViewImpl::isTrackingRepaints() const
-{
-    if (!page())
-        return false;
-    FrameView* view = page()->mainFrame()->view();
-    return view->isTrackingRepaints();
-}
-
-void WebViewImpl::themeChanged()
-{
-    if (!page())
-        return;
-    FrameView* view = page()->mainFrame()->view();
-
-    WebRect damagedRect(0, 0, m_size.width, m_size.height);
-    view->invalidateRect(damagedRect);
-}
-
-void WebViewImpl::composite(bool)
-{
-#if USE(ACCELERATED_COMPOSITING)
-    if (Platform::current()->compositorSupport()->isThreadingEnabled())
-        m_layerTreeView->setNeedsRedraw();
-    else {
-        ASSERT(isAcceleratedCompositingActive());
-        if (!page())
-            return;
-
-        m_layerTreeView->composite();
-    }
-#endif
-}
-
-void WebViewImpl::setNeedsRedraw()
-{
-#if USE(ACCELERATED_COMPOSITING)
-    if (m_layerTreeView && isAcceleratedCompositingActive())
-        m_layerTreeView->setNeedsRedraw();
-#endif
-}
-
-bool WebViewImpl::isInputThrottled() const
-{
-#if USE(ACCELERATED_COMPOSITING)
-    if (m_layerTreeView && isAcceleratedCompositingActive())
-        return m_layerTreeView->commitRequested();
-#endif
-    return false;
-}
-
-void WebViewImpl::loseCompositorContext(int numTimes)
-{
-#if USE(ACCELERATED_COMPOSITING)
-    if (m_layerTreeView)
-        m_layerTreeView->loseCompositorContext(numTimes);
-#endif
-}
-
-void WebViewImpl::enterFullScreenForElement(WebCore::Element* element)
-{
-    // We are already transitioning to fullscreen for a different element.
-    if (m_provisionalFullScreenElement) {
-        m_provisionalFullScreenElement = element;
-        return;
-    }
-
-    // We are already in fullscreen mode.
-    if (m_fullScreenFrame) {
-        m_provisionalFullScreenElement = element;
-        willEnterFullScreen();
-        didEnterFullScreen();
-        return;
-    }
-
-#if USE(NATIVE_FULLSCREEN_VIDEO)
-    if (element && element->isMediaElement()) {
-        HTMLMediaElement* mediaElement = static_cast<HTMLMediaElement*>(element);
-        if (mediaElement->player() && mediaElement->player()->canEnterFullscreen()) {
-            mediaElement->player()->enterFullscreen();
-            m_provisionalFullScreenElement = element;
-        }
-        return;
-    }
-#endif
-
-    // We need to transition to fullscreen mode.
-    if (m_client && m_client->enterFullScreen())
-        m_provisionalFullScreenElement = element;
-}
-
-void WebViewImpl::exitFullScreenForElement(WebCore::Element* element)
-{
-    // The client is exiting full screen, so don't send a notification.
-    if (m_isCancelingFullScreen)
-        return;
-#if USE(NATIVE_FULLSCREEN_VIDEO)
-    if (element && element->isMediaElement()) {
-        HTMLMediaElement* mediaElement = static_cast<HTMLMediaElement*>(element);
-        if (mediaElement->player())
-            mediaElement->player()->exitFullscreen();
-        return;
-    }
-#endif
-    if (m_client)
-        m_client->exitFullScreen();
-}
-
-bool WebViewImpl::hasHorizontalScrollbar()
-{
-    return mainFrameImpl()->frameView()->horizontalScrollbar();
-}
-
-bool WebViewImpl::hasVerticalScrollbar()
-{
-    return mainFrameImpl()->frameView()->verticalScrollbar();
-}
-
-const WebInputEvent* WebViewImpl::m_currentInputEvent = 0;
-
-bool WebViewImpl::handleInputEvent(const WebInputEvent& inputEvent)
-{
-    // If we've started a drag and drop operation, ignore input events until
-    // we're done.
-    if (m_doingDragAndDrop)
-        return true;
-
-    // Report the event to be NOT processed by WebKit, so that the browser can handle it appropriately.
-    if (m_ignoreInputEvents)
-        return false;
-
-    TemporaryChange<const WebInputEvent*> currentEventChange(m_currentInputEvent, &inputEvent);
-
-#if ENABLE(POINTER_LOCK)
-    if (isPointerLocked() && WebInputEvent::isMouseEventType(inputEvent.type)) {
-      pointerLockMouseEvent(inputEvent);
-      return true;
-    }
-#endif
-
-    if (m_mouseCaptureNode && WebInputEvent::isMouseEventType(inputEvent.type)) {
-        // Save m_mouseCaptureNode since mouseCaptureLost() will clear it.
-        RefPtr<Node> node = m_mouseCaptureNode;
-
-        // Not all platforms call mouseCaptureLost() directly.
-        if (inputEvent.type == WebInputEvent::MouseUp)
-            mouseCaptureLost();
-
-        AtomicString eventType;
-        switch (inputEvent.type) {
-        case WebInputEvent::MouseMove:
-            eventType = eventNames().mousemoveEvent;
-            break;
-        case WebInputEvent::MouseLeave:
-            eventType = eventNames().mouseoutEvent;
-            break;
-        case WebInputEvent::MouseDown:
-            eventType = eventNames().mousedownEvent;
-            break;
-        case WebInputEvent::MouseUp:
-            eventType = eventNames().mouseupEvent;
-            break;
-        default:
-            ASSERT_NOT_REACHED();
-        }
-
-        node->dispatchMouseEvent(
-              PlatformMouseEventBuilder(mainFrameImpl()->frameView(), *static_cast<const WebMouseEvent*>(&inputEvent)),
-              eventType, static_cast<const WebMouseEvent*>(&inputEvent)->clickCount);
-        return true;
-    }
-
-    if (!m_layerTreeView)
-        return PageWidgetDelegate::handleInputEvent(m_page.get(), *this, inputEvent);
-
-    const WebInputEvent* inputEventTransformed = &inputEvent;
-    WebMouseEvent mouseEvent;
-    WebGestureEvent gestureEvent;
-    if (WebInputEvent::isMouseEventType(inputEvent.type)) {
-        mouseEvent = *static_cast<const WebMouseEvent*>(&inputEvent);
-
-        IntPoint transformedLocation = roundedIntPoint(m_layerTreeView->adjustEventPointForPinchZoom(WebFloatPoint(mouseEvent.x, mouseEvent.y)));
-        mouseEvent.x = transformedLocation.x();
-        mouseEvent.y = transformedLocation.y();
-        inputEventTransformed = static_cast<const WebInputEvent*>(&mouseEvent);
-    } else if (WebInputEvent::isGestureEventType(inputEvent.type)) {
-        gestureEvent = *static_cast<const WebGestureEvent*>(&inputEvent);
-
-        IntPoint transformedLocation = roundedIntPoint(m_layerTreeView->adjustEventPointForPinchZoom(WebFloatPoint(gestureEvent.x, gestureEvent.y)));
-        gestureEvent.x = transformedLocation.x();
-        gestureEvent.y = transformedLocation.y();
-        inputEventTransformed = static_cast<const WebInputEvent*>(&gestureEvent);
-    }
-
-    bool handled = PageWidgetDelegate::handleInputEvent(m_page.get(), *this, *inputEventTransformed);
-    return handled;
-}
-
-void WebViewImpl::mouseCaptureLost()
-{
-    m_mouseCaptureNode = 0;
-}
-
-void WebViewImpl::setFocus(bool enable)
-{
-    m_page->focusController()->setFocused(enable);
-    if (enable) {
-        m_page->focusController()->setActive(true);
-        RefPtr<Frame> focusedFrame = m_page->focusController()->focusedFrame();
-        if (focusedFrame) {
-            Node* focusedNode = focusedFrame->document()->focusedNode();
-            if (focusedNode && focusedNode->isElementNode()
-                && focusedFrame->selection()->selection().isNone()) {
-                // If the selection was cleared while the WebView was not
-                // focused, then the focus element shows with a focus ring but
-                // no caret and does respond to keyboard inputs.
-                Element* element = static_cast<Element*>(focusedNode);
-                if (element->isTextFormControl())
-                    element->updateFocusAppearance(true);
-                else if (focusedNode->isContentEditable()) {
-                    // updateFocusAppearance() selects all the text of
-                    // contentseditable DIVs. So we set the selection explicitly
-                    // instead. Note that this has the side effect of moving the
-                    // caret back to the beginning of the text.
-                    Position position(focusedNode, 0,
-                                      Position::PositionIsOffsetInAnchor);
-                    focusedFrame->selection()->setSelection(
-                        VisibleSelection(position, SEL_DEFAULT_AFFINITY));
-                }
-            }
-        }
-        m_imeAcceptEvents = true;
-    } else {
-        hidePopups();
-
-        // Clear focus on the currently focused frame if any.
-        if (!m_page)
-            return;
-
-        Frame* frame = m_page->mainFrame();
-        if (!frame)
-            return;
-
-        RefPtr<Frame> focusedFrame = m_page->focusController()->focusedFrame();
-        if (focusedFrame) {
-            // Finish an ongoing composition to delete the composition node.
-            Editor* editor = focusedFrame->editor();
-            if (editor && editor->hasComposition())
-                editor->confirmComposition();
-            m_imeAcceptEvents = false;
-        }
-    }
-}
-
-bool WebViewImpl::setComposition(
-    const WebString& text,
-    const WebVector<WebCompositionUnderline>& underlines,
-    int selectionStart,
-    int selectionEnd)
-{
-    Frame* focused = focusedWebCoreFrame();
-    if (!focused || !m_imeAcceptEvents)
-        return false;
-    Editor* editor = focused->editor();
-    if (!editor)
-        return false;
-
-    // The input focus has been moved to another WebWidget object.
-    // We should use this |editor| object only to complete the ongoing
-    // composition.
-    if (!editor->canEdit() && !editor->hasComposition())
-        return false;
-
-    // We should verify the parent node of this IME composition node are
-    // editable because JavaScript may delete a parent node of the composition
-    // node. In this case, WebKit crashes while deleting texts from the parent
-    // node, which doesn't exist any longer.
-    PassRefPtr<Range> range = editor->compositionRange();
-    if (range) {
-        Node* node = range->startContainer();
-        if (!node || !node->isContentEditable())
-            return false;
-    }
-
-    // If we're not going to fire a keypress event, then the keydown event was
-    // canceled.  In that case, cancel any existing composition.
-    if (text.isEmpty() || m_suppressNextKeypressEvent) {
-        // A browser process sent an IPC message which does not contain a valid
-        // string, which means an ongoing composition has been canceled.
-        // If the ongoing composition has been canceled, replace the ongoing
-        // composition string with an empty string and complete it.
-        String emptyString;
-        Vector<CompositionUnderline> emptyUnderlines;
-        editor->setComposition(emptyString, emptyUnderlines, 0, 0);
-        return text.isEmpty();
-    }
-
-    // When the range of composition underlines overlap with the range between
-    // selectionStart and selectionEnd, WebKit somehow won't paint the selection
-    // at all (see InlineTextBox::paint() function in InlineTextBox.cpp).
-    // But the selection range actually takes effect.
-    editor->setComposition(String(text),
-                           CompositionUnderlineVectorBuilder(underlines),
-                           selectionStart, selectionEnd);
-
-    return editor->hasComposition();
-}
-
-bool WebViewImpl::confirmComposition()
-{
-    return confirmComposition(WebString());
-}
-
-bool WebViewImpl::confirmComposition(const WebString& text)
-{
-    Frame* focused = focusedWebCoreFrame();
-    if (!focused || !m_imeAcceptEvents)
-        return false;
-    Editor* editor = focused->editor();
-    if (!editor || (!editor->hasComposition() && !text.length()))
-        return false;
-
-    // We should verify the parent node of this IME composition node are
-    // editable because JavaScript may delete a parent node of the composition
-    // node. In this case, WebKit crashes while deleting texts from the parent
-    // node, which doesn't exist any longer.
-    PassRefPtr<Range> range = editor->compositionRange();
-    if (range) {
-        Node* node = range->startContainer();
-        if (!node || !node->isContentEditable())
-            return false;
-    }
-
-    if (editor->hasComposition()) {
-        if (text.length())
-            editor->confirmComposition(String(text));
-        else
-            editor->confirmComposition();
-    } else
-        editor->insertText(String(text), 0);
-
-    return true;
-}
-
-bool WebViewImpl::compositionRange(size_t* location, size_t* length)
-{
-    Frame* focused = focusedWebCoreFrame();
-    if (!focused || !focused->selection() || !m_imeAcceptEvents)
-        return false;
-    Editor* editor = focused->editor();
-    if (!editor || !editor->hasComposition())
-        return false;
-
-    RefPtr<Range> range = editor->compositionRange();
-    if (!range)
-        return false;
-
-    if (TextIterator::getLocationAndLengthFromRange(focused->selection()->rootEditableElementOrDocumentElement(), range.get(), *location, *length))
-        return true;
-    return false;
-}
-
-WebTextInputInfo WebViewImpl::textInputInfo()
-{
-    WebTextInputInfo info;
-
-    Frame* focused = focusedWebCoreFrame();
-    if (!focused)
-        return info;
-
-    Editor* editor = focused->editor();
-    if (!editor || !editor->canEdit())
-        return info;
-
-    FrameSelection* selection = focused->selection();
-    if (!selection)
-        return info;
-
-    Node* node = selection->selection().rootEditableElement();
-    if (!node)
-        return info;
-
-    info.type = textInputType();
-    if (info.type == WebTextInputTypeNone)
-        return info;
-
-    info.value = plainText(rangeOfContents(node).get());
-
-    if (info.value.isEmpty())
-        return info;
-
-    size_t location;
-    size_t length;
-    RefPtr<Range> range = selection->selection().firstRange();
-    if (range && TextIterator::getLocationAndLengthFromRange(selection->rootEditableElement(), range.get(), location, length)) {
-        info.selectionStart = location;
-        info.selectionEnd = location + length;
-    }
-    range = editor->compositionRange();
-    if (range && TextIterator::getLocationAndLengthFromRange(selection->rootEditableElement(), range.get(), location, length)) {
-        info.compositionStart = location;
-        info.compositionEnd = location + length;
-    }
-
-    return info;
-}
-
-WebTextInputType WebViewImpl::textInputType()
-{
-    Node* node = focusedWebCoreNode();
-    if (!node)
-        return WebTextInputTypeNone;
-
-    if (node->hasTagName(HTMLNames::inputTag)) {
-        HTMLInputElement* input = static_cast<HTMLInputElement*>(node);
-
-        if (input->readOnly() || input->disabled())
-            return WebTextInputTypeNone;
-
-        if (input->isPasswordField())
-            return WebTextInputTypePassword;
-        if (input->isSearchField())
-            return WebTextInputTypeSearch;
-        if (input->isEmailField())
-            return WebTextInputTypeEmail;
-        if (input->isNumberField())
-            return WebTextInputTypeNumber;
-        if (input->isTelephoneField())
-            return WebTextInputTypeTelephone;
-        if (input->isURLField())
-            return WebTextInputTypeURL;
-        if (input->isDateField())
-            return WebTextInputTypeDate;
-        if (input->isDateTimeField())
-            return WebTextInputTypeDateTime;
-        if (input->isDateTimeLocalField())
-            return WebTextInputTypeDateTimeLocal;
-        if (input->isMonthField())
-            return WebTextInputTypeMonth;
-        if (input->isTimeField())
-            return WebTextInputTypeTime;
-        if (input->isWeekField())
-            return WebTextInputTypeWeek;
-        if (input->isTextField())
-            return WebTextInputTypeText;
-
-        return WebTextInputTypeNone;
-    }
-
-    if (node->hasTagName(HTMLNames::textareaTag)) {
-        HTMLTextAreaElement* textarea = static_cast<HTMLTextAreaElement*>(node);
-
-        if (textarea->readOnly() || textarea->disabled())
-            return WebTextInputTypeNone;
-
-        return WebTextInputTypeTextArea;
-    }
-
-    if (node->shouldUseInputMethod())
-        return WebTextInputTypeContentEditable;
-
-    return WebTextInputTypeNone;
-}
-
-bool WebViewImpl::selectionBounds(WebRect& anchor, WebRect& focus) const
-{
-    const Frame* frame = focusedWebCoreFrame();
-    if (!frame)
-        return false;
-    FrameSelection* selection = frame->selection();
-    if (!selection)
-        return false;
-
-    if (selection->isCaret()) {
-        anchor = focus = frame->view()->contentsToWindow(selection->absoluteCaretBounds());
-        return true;
-    }
-
-    RefPtr<Range> selectedRange = frame->selection()->toNormalizedRange();
-    if (!selectedRange)
-        return false;
-
-    RefPtr<Range> range(Range::create(selectedRange->startContainer()->document(),
-                                      selectedRange->startContainer(),
-                                      selectedRange->startOffset(),
-                                      selectedRange->startContainer(),
-                                      selectedRange->startOffset()));
-    anchor = frame->editor()->firstRectForRange(range.get());
-
-    range = Range::create(selectedRange->endContainer()->document(),
-                          selectedRange->endContainer(),
-                          selectedRange->endOffset(),
-                          selectedRange->endContainer(),
-                          selectedRange->endOffset());
-    focus = frame->editor()->firstRectForRange(range.get());
-
-    anchor = frame->view()->contentsToWindow(anchor);
-    focus = frame->view()->contentsToWindow(focus);
-
-    if (!frame->selection()->selection().isBaseFirst())
-        std::swap(anchor, focus);
-    return true;
-}
-
-bool WebViewImpl::selectionTextDirection(WebTextDirection& start, WebTextDirection& end) const
-{
-    const Frame* frame = focusedWebCoreFrame();
-    if (!frame)
-        return false;
-    FrameSelection* selection = frame->selection();
-    if (!selection)
-        return false;
-    if (!selection->toNormalizedRange())
-        return false;
-    start = selection->start().primaryDirection() == RTL ? WebTextDirectionRightToLeft : WebTextDirectionLeftToRight;
-    end = selection->end().primaryDirection() == RTL ? WebTextDirectionRightToLeft : WebTextDirectionLeftToRight;
-    return true;
-}
-
-bool WebViewImpl::setEditableSelectionOffsets(int start, int end)
-{
-    const Frame* focused = focusedWebCoreFrame();
-    if (!focused)
-        return false;
-
-    Editor* editor = focused->editor();
-    if (!editor || !editor->canEdit())
-        return false;
-
-    return editor->setSelectionOffsets(start, end);
-}
-
-bool WebViewImpl::setCompositionFromExistingText(int compositionStart, int compositionEnd, const WebVector<WebCompositionUnderline>& underlines)
-{
-    const Frame* focused = focusedWebCoreFrame();
-    if (!focused)
-        return false;
-
-    Editor* editor = focused->editor();
-    if (!editor || !editor->canEdit())
-        return false;
-
-    editor->cancelComposition();
-
-    if (compositionStart == compositionEnd)
-        return true;
-
-    size_t location;
-    size_t length;
-    caretOrSelectionRange(&location, &length);
-    editor->setIgnoreCompositionSelectionChange(true);
-    editor->setSelectionOffsets(compositionStart, compositionEnd);
-    String text = editor->selectedText();
-    focused->document()->execCommand("delete", true);
-    editor->setComposition(text, CompositionUnderlineVectorBuilder(underlines), 0, 0);
-    editor->setSelectionOffsets(location, location + length);
-    editor->setIgnoreCompositionSelectionChange(false);
-
-    return true;
-}
-
-void WebViewImpl::extendSelectionAndDelete(int before, int after)
-{
-    const Frame* focused = focusedWebCoreFrame();
-    if (!focused)
-        return;
-
-    Editor* editor = focused->editor();
-    if (!editor || !editor->canEdit())
-        return;
-
-    FrameSelection* selection = focused->selection();
-    if (!selection)
-        return;
-
-    size_t location;
-    size_t length;
-    RefPtr<Range> range = selection->selection().firstRange();
-    if (range && TextIterator::getLocationAndLengthFromRange(selection->rootEditableElement(), range.get(), location, length)) {
-        editor->setSelectionOffsets(max(static_cast<int>(location) - before, 0), location + length + after);
-        focused->document()->execCommand("delete", true);
-    }
-}
-
-bool WebViewImpl::isSelectionEditable() const
-{
-    const Frame* frame = focusedWebCoreFrame();
-    if (!frame)
-        return false;
-    return frame->selection()->isContentEditable();
-}
-
-WebColor WebViewImpl::backgroundColor() const
-{
-    if (!m_page)
-        return Color::white;
-    FrameView* view = m_page->mainFrame()->view();
-    Color backgroundColor = view->documentBackgroundColor();
-    if (!backgroundColor.isValid())
-        return Color::white;
-    return backgroundColor.rgb();
-}
-
-bool WebViewImpl::caretOrSelectionRange(size_t* location, size_t* length)
-{
-    const Frame* focused = focusedWebCoreFrame();
-    if (!focused)
-        return false;
-
-    FrameSelection* selection = focused->selection();
-    if (!selection)
-        return false;
-
-    RefPtr<Range> range = selection->selection().firstRange();
-    if (!range)
-        return false;
-
-    if (TextIterator::getLocationAndLengthFromRange(selection->rootEditableElementOrDocumentElement(), range.get(), *location, *length))
-        return true;
-    return false;
-}
-
-void WebViewImpl::setTextDirection(WebTextDirection direction)
-{
-    // The Editor::setBaseWritingDirection() function checks if we can change
-    // the text direction of the selected node and updates its DOM "dir"
-    // attribute and its CSS "direction" property.
-    // So, we just call the function as Safari does.
-    const Frame* focused = focusedWebCoreFrame();
-    if (!focused)
-        return;
-
-    Editor* editor = focused->editor();
-    if (!editor || !editor->canEdit())
-        return;
-
-    switch (direction) {
-    case WebTextDirectionDefault:
-        editor->setBaseWritingDirection(NaturalWritingDirection);
-        break;
-
-    case WebTextDirectionLeftToRight:
-        editor->setBaseWritingDirection(LeftToRightWritingDirection);
-        break;
-
-    case WebTextDirectionRightToLeft:
-        editor->setBaseWritingDirection(RightToLeftWritingDirection);
-        break;
-
-    default:
-        notImplemented();
-        break;
-    }
-}
-
-bool WebViewImpl::isAcceleratedCompositingActive() const
-{
-#if USE(ACCELERATED_COMPOSITING)
-    return m_isAcceleratedCompositingActive;
-#else
-    return false;
-#endif
-}
-
-void WebViewImpl::didAcquirePointerLock()
-{
-#if ENABLE(POINTER_LOCK)
-    if (page())
-        page()->pointerLockController()->didAcquirePointerLock();
-#endif
-}
-
-void WebViewImpl::didNotAcquirePointerLock()
-{
-#if ENABLE(POINTER_LOCK)
-    if (page())
-        page()->pointerLockController()->didNotAcquirePointerLock();
-#endif
-}
-
-void WebViewImpl::didLosePointerLock()
-{
-#if ENABLE(POINTER_LOCK)
-    if (page())
-        page()->pointerLockController()->didLosePointerLock();
-#endif
-}
-
-void WebViewImpl::didChangeWindowResizerRect()
-{
-    if (mainFrameImpl()->frameView())
-        mainFrameImpl()->frameView()->windowResizerRectChanged();
-}
-
-// WebView --------------------------------------------------------------------
-
-WebSettingsImpl* WebViewImpl::settingsImpl()
-{
-    if (!m_webSettings)
-        m_webSettings = adoptPtr(new WebSettingsImpl(m_page->settings()));
-    ASSERT(m_webSettings);
-    return m_webSettings.get();
-}
-
-WebSettings* WebViewImpl::settings()
-{
-    return settingsImpl();
-}
-
-WebString WebViewImpl::pageEncoding() const
-{
-    if (!m_page)
-        return WebString();
-
-    // FIXME: Is this check needed?
-    if (!m_page->mainFrame()->document()->loader())
-        return WebString();
-
-    return m_page->mainFrame()->document()->encoding();
-}
-
-void WebViewImpl::setPageEncoding(const WebString& encodingName)
-{
-    if (!m_page)
-        return;
-
-    // Only change override encoding, don't change default encoding.
-    // Note that the new encoding must be 0 if it isn't supposed to be set.
-    String newEncodingName;
-    if (!encodingName.isEmpty())
-        newEncodingName = encodingName;
-    m_page->mainFrame()->loader()->reloadWithOverrideEncoding(newEncodingName);
-}
-
-bool WebViewImpl::dispatchBeforeUnloadEvent()
-{
-    // FIXME: This should really cause a recursive depth-first walk of all
-    // frames in the tree, calling each frame's onbeforeunload.  At the moment,
-    // we're consistent with Safari 3.1, not IE/FF.
-    Frame* frame = m_page->mainFrame();
-    if (!frame)
-        return true;
-
-    return frame->loader()->shouldClose();
-}
-
-void WebViewImpl::dispatchUnloadEvent()
-{
-    // Run unload handlers.
-    m_page->mainFrame()->loader()->closeURL();
-}
-
-WebFrame* WebViewImpl::mainFrame()
-{
-    return mainFrameImpl();
-}
-
-WebFrame* WebViewImpl::findFrameByName(
-    const WebString& name, WebFrame* relativeToFrame)
-{
-    if (!relativeToFrame)
-        relativeToFrame = mainFrame();
-    Frame* frame = static_cast<WebFrameImpl*>(relativeToFrame)->frame();
-    frame = frame->tree()->find(name);
-    return WebFrameImpl::fromFrame(frame);
-}
-
-WebFrame* WebViewImpl::focusedFrame()
-{
-    return WebFrameImpl::fromFrame(focusedWebCoreFrame());
-}
-
-void WebViewImpl::setFocusedFrame(WebFrame* frame)
-{
-    if (!frame) {
-        // Clears the focused frame if any.
-        Frame* frame = focusedWebCoreFrame();
-        if (frame)
-            frame->selection()->setFocused(false);
-        return;
-    }
-    WebFrameImpl* frameImpl = static_cast<WebFrameImpl*>(frame);
-    Frame* webcoreFrame = frameImpl->frame();
-    webcoreFrame->page()->focusController()->setFocusedFrame(webcoreFrame);
-}
-
-void WebViewImpl::setInitialFocus(bool reverse)
-{
-    if (!m_page)
-        return;
-
-    // Since we don't have a keyboard event, we'll create one.
-    WebKeyboardEvent keyboardEvent;
-    keyboardEvent.type = WebInputEvent::RawKeyDown;
-    if (reverse)
-        keyboardEvent.modifiers = WebInputEvent::ShiftKey;
-
-    // VK_TAB which is only defined on Windows.
-    keyboardEvent.windowsKeyCode = 0x09;
-    PlatformKeyboardEventBuilder platformEvent(keyboardEvent);
-    RefPtr<KeyboardEvent> webkitEvent = KeyboardEvent::create(platformEvent, 0);
-
-    Frame* frame = page()->focusController()->focusedOrMainFrame();
-    if (Document* document = frame->document())
-        document->setFocusedNode(0);
-    page()->focusController()->setInitialFocus(
-        reverse ? FocusDirectionBackward : FocusDirectionForward,
-        webkitEvent.get());
-}
-
-void WebViewImpl::clearFocusedNode()
-{
-    RefPtr<Frame> frame = focusedWebCoreFrame();
-    if (!frame)
-        return;
-
-    RefPtr<Document> document = frame->document();
-    if (!document)
-        return;
-
-    RefPtr<Node> oldFocusedNode = document->focusedNode();
-
-    // Clear the focused node.
-    document->setFocusedNode(0);
-
-    if (!oldFocusedNode)
-        return;
-
-    // If a text field has focus, we need to make sure the selection controller
-    // knows to remove selection from it. Otherwise, the text field is still
-    // processing keyboard events even though focus has been moved to the page and
-    // keystrokes get eaten as a result.
-    if (oldFocusedNode->isContentEditable()
-        || (oldFocusedNode->isElementNode()
-            && static_cast<Element*>(oldFocusedNode.get())->isTextFormControl())) {
-        frame->selection()->clear();
-    }
-}
-
-void WebViewImpl::scrollFocusedNodeIntoView()
-{
-    Node* focusedNode = focusedWebCoreNode();
-    if (focusedNode && focusedNode->isElementNode()) {
-        Element* elementNode = static_cast<Element*>(focusedNode);
-        elementNode->scrollIntoViewIfNeeded(true);
-    }
-}
-
-void WebViewImpl::scrollFocusedNodeIntoRect(const WebRect& rect)
-{
-    Frame* frame = page()->mainFrame();
-    Node* focusedNode = focusedWebCoreNode();
-    if (!frame || !frame->view() || !focusedNode || !focusedNode->isElementNode())
-        return;
-
-    if (!m_webSettings->autoZoomFocusedNodeToLegibleScale()) {
-        Element* elementNode = static_cast<Element*>(focusedNode);
-        frame->view()->scrollElementToRect(elementNode, IntRect(rect.x, rect.y, rect.width, rect.height));
-        return;
-    }
-
-#if ENABLE(GESTURE_EVENTS)
-    focusedNode->document()->updateLayoutIgnorePendingStylesheets();
-
-    // 'caret' is rect encompassing the blinking cursor.
-    IntRect textboxRect = focusedNode->document()->view()->contentsToWindow(pixelSnappedIntRect(focusedNode->Node::boundingBox()));
-    WebRect caret, end;
-    selectionBounds(caret, end);
-
-    // Pick a scale which is reasonably readable. This is the scale at which
-    // the caret height will become minReadableCaretHeight (adjusted for dpi
-    // and font scale factor).
-    float targetScale = deviceScaleFactor();
-#if ENABLE(TEXT_AUTOSIZING)
-    if (page() && page()->settings())
-        targetScale *= page()->settings()->textAutosizingFontScaleFactor();
-#endif
-    const float newScale = clampPageScaleFactorToLimits(pageScaleFactor() * minReadableCaretHeight * targetScale / caret.height);
-    const float deltaScale = newScale / pageScaleFactor();
-
-    // Convert the rects to absolute space in the new scale.
-    IntRect textboxRectInDocumentCoordinates = textboxRect;
-    textboxRectInDocumentCoordinates.move(mainFrame()->scrollOffset());
-    textboxRectInDocumentCoordinates.scale(deltaScale);
-    IntRect caretInDocumentCoordinates = caret;
-    caretInDocumentCoordinates.move(mainFrame()->scrollOffset());
-    caretInDocumentCoordinates.scale(deltaScale);
-
-    IntPoint newOffset;
-    if (textboxRectInDocumentCoordinates.width() <= m_size.width) {
-        // Field is narrower than screen. Try to leave padding on left so field's
-        // label is visible, but it's more important to ensure entire field is
-        // onscreen.
-        int idealLeftPadding = m_size.width * leftBoxRatio;
-        int maxLeftPaddingKeepingBoxOnscreen = m_size.width - textboxRectInDocumentCoordinates.width();
-        newOffset.setX(textboxRectInDocumentCoordinates.x() - min<int>(idealLeftPadding, maxLeftPaddingKeepingBoxOnscreen));
-    } else {
-        // Field is wider than screen. Try to left-align field, unless caret would
-        // be offscreen, in which case right-align the caret.
-        newOffset.setX(max<int>(textboxRectInDocumentCoordinates.x(), caretInDocumentCoordinates.x() + caretInDocumentCoordinates.width() + caretPadding - m_size.width));
-    }
-    if (textboxRectInDocumentCoordinates.height() <= m_size.height) {
-        // Field is shorter than screen. Vertically center it.
-        newOffset.setY(textboxRectInDocumentCoordinates.y() - (m_size.height - textboxRectInDocumentCoordinates.height()) / 2);
-    } else {
-        // Field is taller than screen. Try to top align field, unless caret would
-        // be offscreen, in which case bottom-align the caret.
-        newOffset.setY(max<int>(textboxRectInDocumentCoordinates.y(), caretInDocumentCoordinates.y() + caretInDocumentCoordinates.height() + caretPadding - m_size.height));
-    }
-
-    bool needAnimation = false;
-    // If we are at less than the target zoom level, zoom in.
-    if (deltaScale > minScaleChangeToTriggerZoom)
-        needAnimation = true;
-    // If the caret is offscreen, then animate.
-    IntRect sizeRect(0, 0, m_size.width, m_size.height);
-    if (!sizeRect.contains(caret))
-        needAnimation = true;
-    // If the box is partially offscreen and it's possible to bring it fully
-    // onscreen, then animate.
-    if (sizeRect.contains(textboxRectInDocumentCoordinates.width(), textboxRectInDocumentCoordinates.height()) && !sizeRect.contains(textboxRect))
-        needAnimation = true;
-
-    if (needAnimation)
-        startPageScaleAnimation(newOffset, false, newScale, scrollAndScaleAnimationDurationInSeconds);
-#endif
-}
-
-void WebViewImpl::advanceFocus(bool reverse)
-{
-    page()->focusController()->advanceFocus(reverse ? FocusDirectionBackward : FocusDirectionForward, 0);
-}
-
-double WebViewImpl::zoomLevel()
-{
-    return m_zoomLevel;
-}
-
-double WebViewImpl::setZoomLevel(bool textOnly, double zoomLevel)
-{
-    if (zoomLevel < m_minimumZoomLevel)
-        m_zoomLevel = m_minimumZoomLevel;
-    else if (zoomLevel > m_maximumZoomLevel)
-        m_zoomLevel = m_maximumZoomLevel;
-    else
-        m_zoomLevel = zoomLevel;
-
-    Frame* frame = mainFrameImpl()->frame();
-    WebPluginContainerImpl* pluginContainer = WebFrameImpl::pluginContainerFromFrame(frame);
-    if (pluginContainer)
-        pluginContainer->plugin()->setZoomLevel(m_zoomLevel, textOnly);
-    else {
-        float zoomFactor = static_cast<float>(zoomLevelToZoomFactor(m_zoomLevel));
-        if (textOnly)
-            frame->setPageAndTextZoomFactors(1, zoomFactor * m_emulatedTextZoomFactor);
-        else
-            frame->setPageAndTextZoomFactors(zoomFactor, m_emulatedTextZoomFactor);
-    }
-    return m_zoomLevel;
-}
-
-void WebViewImpl::zoomLimitsChanged(double minimumZoomLevel,
-                                    double maximumZoomLevel)
-{
-    m_minimumZoomLevel = minimumZoomLevel;
-    m_maximumZoomLevel = maximumZoomLevel;
-    m_client->zoomLimitsChanged(m_minimumZoomLevel, m_maximumZoomLevel);
-}
-
-void WebViewImpl::fullFramePluginZoomLevelChanged(double zoomLevel)
-{
-    if (zoomLevel == m_zoomLevel)
-        return;
-
-    m_zoomLevel = max(min(zoomLevel, m_maximumZoomLevel), m_minimumZoomLevel);
-    m_client->zoomLevelChanged();
-}
-
-double WebView::zoomLevelToZoomFactor(double zoomLevel)
-{
-    return pow(textSizeMultiplierRatio, zoomLevel);
-}
-
-double WebView::zoomFactorToZoomLevel(double factor)
-{
-    // Since factor = 1.2^level, level = log(factor) / log(1.2)
-    return log(factor) / log(textSizeMultiplierRatio);
-}
-
-float WebViewImpl::pageScaleFactor() const
-{
-    if (!page())
-        return 1;
-
-    return page()->pageScaleFactor();
-}
-
-bool WebViewImpl::isPageScaleFactorSet() const
-{
-    return m_pageScaleFactorIsSet;
-}
-
-float WebViewImpl::clampPageScaleFactorToLimits(float scaleFactor)
-{
-    return min(max(scaleFactor, m_minimumPageScaleFactor), m_maximumPageScaleFactor);
-}
-
-WebPoint WebViewImpl::clampOffsetAtScale(const WebPoint& offset, float scale)
-{
-    // This is the scaled content size. We need to convert it to the new scale factor.
-    WebSize contentSize = mainFrame()->contentsSize();
-    float deltaScale = scale / pageScaleFactor();
-    int docWidthAtNewScale = contentSize.width * deltaScale;
-    int docHeightAtNewScale = contentSize.height * deltaScale;
-    int viewWidth = m_size.width;
-    int viewHeight = m_size.height;
-
-    // Enforce the maximum and minimum scroll positions at the new scale.
-    IntPoint clampedOffset = offset;
-    clampedOffset = clampedOffset.shrunkTo(IntPoint(docWidthAtNewScale - viewWidth, docHeightAtNewScale - viewHeight));
-    clampedOffset.clampNegativeToZero();
-    return clampedOffset;
-}
-
-void WebViewImpl::setPageScaleFactorPreservingScrollOffset(float scaleFactor)
-{
-    // Pick a scale factor that is within the expected limits
-    scaleFactor = clampPageScaleFactorToLimits(scaleFactor);
-
-    IntPoint scrollOffsetAtNewScale(mainFrame()->scrollOffset().width, mainFrame()->scrollOffset().height);
-    float deltaScale = scaleFactor / pageScaleFactor();
-    scrollOffsetAtNewScale.scale(deltaScale, deltaScale);
-
-    WebPoint clampedOffsetAtNewScale = clampOffsetAtScale(scrollOffsetAtNewScale, scaleFactor);
-    setPageScaleFactor(scaleFactor, clampedOffsetAtNewScale);
-}
-
-void WebViewImpl::setPageScaleFactor(float scaleFactor, const WebPoint& origin)
-{
-    if (!page())
-        return;
-
-    if (!scaleFactor)
-        scaleFactor = 1;
-
-    if (m_deviceScaleInCompositor != 1) {
-        // Don't allow page scaling when compositor scaling is being used,
-        // as they are currently incompatible.
-        ASSERT(scaleFactor == 1);
-    }
-
-    scaleFactor = clampPageScaleFactorToLimits(scaleFactor);
-    WebPoint scrollOffset;
-    if (!m_page->settings()->applyPageScaleFactorInCompositor()) {
-        // If page scale is not applied in the compositor, then the scroll offsets should
-        // be modified by the scale factor.
-        scrollOffset = clampOffsetAtScale(origin, scaleFactor);
-    } else {
-        IntPoint offset = origin;
-        WebSize contentSize = mainFrame()->contentsSize();
-        offset.shrunkTo(IntPoint(contentSize.width - m_size.width, contentSize.height - m_size.height));
-        offset.clampNegativeToZero();
-        scrollOffset = offset;
-    }
-
-    page()->setPageScaleFactor(scaleFactor, scrollOffset);
-    m_pageScaleFactorIsSet = true;
-}
-
-float WebViewImpl::deviceScaleFactor() const
-{
-    if (!page())
-        return 1;
-
-    return page()->deviceScaleFactor();
-}
-
-void WebViewImpl::setDeviceScaleFactor(float scaleFactor)
-{
-    if (!page())
-        return;
-
-    page()->setDeviceScaleFactor(scaleFactor);
-
-    if (m_layerTreeView && m_webSettings->applyDeviceScaleFactorInCompositor()) {
-        m_deviceScaleInCompositor = page()->deviceScaleFactor();
-        m_layerTreeView->setDeviceScaleFactor(m_deviceScaleInCompositor);
-    }
-    if (m_deviceScaleInCompositor != 1) {
-        // Don't allow page scaling when compositor scaling is being used,
-        // as they are currently incompatible. This means the deviceScale
-        // needs to match the one in the compositor.
-        ASSERT(scaleFactor == m_deviceScaleInCompositor);
-    }
-}
-
-bool WebViewImpl::isFixedLayoutModeEnabled() const
-{
-    if (!page())
-        return false;
-
-    Frame* frame = page()->mainFrame();
-    if (!frame || !frame->view())
-        return false;
-
-    return frame->view()->useFixedLayout();
-}
-
-void WebViewImpl::enableFixedLayoutMode(bool enable)
-{
-    if (!page())
-        return;
-
-    Frame* frame = page()->mainFrame();
-    if (!frame || !frame->view())
-        return;
-
-    frame->view()->setUseFixedLayout(enable);
-
-#if USE(ACCELERATED_COMPOSITING)
-    // Also notify the base layer, which RenderLayerCompositor does not see.
-    if (m_nonCompositedContentHost)
-        updateLayerTreeViewport();
-#endif
-}
-
-
-void WebViewImpl::enableAutoResizeMode(const WebSize& minSize, const WebSize& maxSize)
-{
-    m_shouldAutoResize = true;
-    m_minAutoSize = minSize;
-    m_maxAutoSize = maxSize;
-    configureAutoResizeMode();
-}
-
-void WebViewImpl::disableAutoResizeMode()
-{
-    m_shouldAutoResize = false;
-    configureAutoResizeMode();
-}
-
-void WebViewImpl::setPageScaleFactorLimits(float minPageScale, float maxPageScale)
-{
-    m_pageDefinedMinimumPageScaleFactor = minPageScale;
-    m_pageDefinedMaximumPageScaleFactor = maxPageScale;
-    computePageScaleFactorLimits();
-}
-
-void WebViewImpl::setIgnoreViewportTagMaximumScale(bool flag)
-{
-    m_ignoreViewportTagMaximumScale = flag;
-
-    if (!page() || !page()->mainFrame())
-        return;
-
-    m_page->chrome()->client()->dispatchViewportPropertiesDidChange(page()->mainFrame()->document()->viewportArguments());
-}
-
-static IntSize unscaledContentsSize(Frame* frame)
-{
-    RenderView* root = frame->contentRenderer();
-    if (!root)
-        return IntSize();
-    return root->unscaledDocumentRect().size();
-}
-
-bool WebViewImpl::computePageScaleFactorLimits()
-{
-    if (m_pageDefinedMinimumPageScaleFactor == -1 || m_pageDefinedMaximumPageScaleFactor == -1)
-        return false;
-
-    if (!mainFrame() || !page() || !page()->mainFrame() || !page()->mainFrame()->view())
-        return false;
-
-    m_minimumPageScaleFactor = min(max(m_pageDefinedMinimumPageScaleFactor, minPageScaleFactor), maxPageScaleFactor) * (deviceScaleFactor() / m_deviceScaleInCompositor);
-    m_maximumPageScaleFactor = max(min(m_pageDefinedMaximumPageScaleFactor, maxPageScaleFactor), minPageScaleFactor) * (deviceScaleFactor() / m_deviceScaleInCompositor);
-
-    int viewWidthNotIncludingScrollbars = page()->mainFrame()->view()->visibleContentRect(false).width();
-    int unscaledContentsWidth = unscaledContentsSize(page()->mainFrame()).width();
-    if (viewWidthNotIncludingScrollbars && unscaledContentsWidth) {
-        // Limit page scaling down to the document width.
-        m_minimumPageScaleFactor = max(m_minimumPageScaleFactor, static_cast<float>(viewWidthNotIncludingScrollbars) / unscaledContentsWidth);
-        m_maximumPageScaleFactor = max(m_minimumPageScaleFactor, m_maximumPageScaleFactor);
-    }
-    ASSERT(m_minimumPageScaleFactor <= m_maximumPageScaleFactor);
-
-    float clampedScale = clampPageScaleFactorToLimits(pageScaleFactor());
-#if USE(ACCELERATED_COMPOSITING)
-    if (m_layerTreeView)
-        m_layerTreeView->setPageScaleFactorAndLimits(clampedScale, m_minimumPageScaleFactor, m_maximumPageScaleFactor);
-#endif
-    if (clampedScale != pageScaleFactor()) {
-        setPageScaleFactorPreservingScrollOffset(clampedScale);
-        return true;
-    }
-
-    return false;
-}
-
-float WebViewImpl::minimumPageScaleFactor() const
-{
-    return m_minimumPageScaleFactor;
-}
-
-float WebViewImpl::maximumPageScaleFactor() const
-{
-    return m_maximumPageScaleFactor;
-}
-
-void WebViewImpl::saveScrollAndScaleState()
-{
-    m_savedPageScaleFactor = pageScaleFactor();
-    m_savedScrollOffset = mainFrame()->scrollOffset();
-}
-
-void WebViewImpl::restoreScrollAndScaleState()
-{
-    if (!m_savedPageScaleFactor)
-        return;
-
-#if ENABLE(GESTURE_EVENTS)
-    startPageScaleAnimation(IntPoint(m_savedScrollOffset), false, m_savedPageScaleFactor, scrollAndScaleAnimationDurationInSeconds);
-#else
-    setPageScaleFactor(m_savedPageScaleFactor, WebPoint());
-    mainFrame()->setScrollOffset(m_savedScrollOffset);
-#endif
-
-    resetSavedScrollAndScaleState();
-}
-
-void WebViewImpl::resetSavedScrollAndScaleState()
-{
-    m_savedPageScaleFactor = 0;
-    m_savedScrollOffset = IntSize();
-}
-
-void WebViewImpl::resetScrollAndScaleState()
-{
-    page()->setPageScaleFactor(0, IntPoint());
-    m_pageScaleFactorIsSet = false;
-
-    // Clobber saved scales and scroll offsets.
-    if (FrameView* view = page()->mainFrame()->document()->view())
-        view->cacheCurrentScrollPosition();
-    resetSavedScrollAndScaleState();
-    page()->mainFrame()->loader()->history()->saveDocumentAndScrollState();
-}
-
-WebSize WebViewImpl::fixedLayoutSize() const
-{
-    if (!page())
-        return WebSize();
-
-    Frame* frame = page()->mainFrame();
-    if (!frame || !frame->view())
-        return WebSize();
-
-    return frame->view()->fixedLayoutSize();
-}
-
-void WebViewImpl::setFixedLayoutSize(const WebSize& layoutSize)
-{
-    if (!page())
-        return;
-
-    Frame* frame = page()->mainFrame();
-    if (!frame || !frame->view())
-        return;
-
-    frame->view()->setFixedLayoutSize(layoutSize);
-}
-
-void WebViewImpl::performMediaPlayerAction(const WebMediaPlayerAction& action,
-                                           const WebPoint& location)
-{
-    HitTestResult result = hitTestResultForWindowPos(location);
-    RefPtr<Node> node = result.innerNonSharedNode();
-    if (!node->hasTagName(HTMLNames::videoTag) && !node->hasTagName(HTMLNames::audioTag))
-        return;
-
-    RefPtr<HTMLMediaElement> mediaElement =
-        static_pointer_cast<HTMLMediaElement>(node);
-    switch (action.type) {
-    case WebMediaPlayerAction::Play:
-        if (action.enable)
-            mediaElement->play();
-        else
-            mediaElement->pause();
-        break;
-    case WebMediaPlayerAction::Mute:
-        mediaElement->setMuted(action.enable);
-        break;
-    case WebMediaPlayerAction::Loop:
-        mediaElement->setLoop(action.enable);
-        break;
-    case WebMediaPlayerAction::Controls:
-        mediaElement->setControls(action.enable);
-        break;
-    default:
-        ASSERT_NOT_REACHED();
-    }
-}
-
-void WebViewImpl::performPluginAction(const WebPluginAction& action,
-                                      const WebPoint& location)
-{
-    HitTestResult result = hitTestResultForWindowPos(location);
-    RefPtr<Node> node = result.innerNonSharedNode();
-    if (!node->hasTagName(HTMLNames::objectTag) && !node->hasTagName(HTMLNames::embedTag))
-        return;
-
-    RenderObject* object = node->renderer();
-    if (object && object->isWidget()) {
-        Widget* widget = toRenderWidget(object)->widget();
-        if (widget && widget->isPluginContainer()) {
-            WebPluginContainerImpl* plugin = static_cast<WebPluginContainerImpl*>(widget);
-            switch (action.type) {
-            case WebPluginAction::Rotate90Clockwise:
-                plugin->plugin()->rotateView(WebPlugin::RotationType90Clockwise);
-                break;
-            case WebPluginAction::Rotate90Counterclockwise:
-                plugin->plugin()->rotateView(WebPlugin::RotationType90Counterclockwise);
-                break;
-            default:
-                ASSERT_NOT_REACHED();
-            }
-        }
-    }
-}
-
-WebHitTestResult WebViewImpl::hitTestResultAt(const WebPoint& point)
-{
-    return hitTestResultForWindowPos(point);
-}
-
-void WebViewImpl::copyImageAt(const WebPoint& point)
-{
-    if (!m_page)
-        return;
-
-    HitTestResult result = hitTestResultForWindowPos(point);
-
-    if (result.absoluteImageURL().isEmpty()) {
-        // There isn't actually an image at these coordinates.  Might be because
-        // the window scrolled while the context menu was open or because the page
-        // changed itself between when we thought there was an image here and when
-        // we actually tried to retreive the image.
-        //
-        // FIXME: implement a cache of the most recent HitTestResult to avoid having
-        //        to do two hit tests.
-        return;
-    }
-
-    m_page->mainFrame()->editor()->copyImage(result);
-}
-
-void WebViewImpl::dragSourceEndedAt(
-    const WebPoint& clientPoint,
-    const WebPoint& screenPoint,
-    WebDragOperation operation)
-{
-    PlatformMouseEvent pme(clientPoint,
-                           screenPoint,
-                           LeftButton, PlatformEvent::MouseMoved, 0, false, false, false,
-                           false, 0);
-    m_page->mainFrame()->eventHandler()->dragSourceEndedAt(pme,
-        static_cast<DragOperation>(operation));
-    m_dragScrollTimer->stop();
-}
-
-void WebViewImpl::dragSourceMovedTo(
-    const WebPoint& clientPoint,
-    const WebPoint& screenPoint,
-    WebDragOperation operation)
-{
-    m_dragScrollTimer->triggerScroll(mainFrameImpl()->frameView(), clientPoint);
-}
-
-void WebViewImpl::dragSourceSystemDragEnded()
-{
-    // It's possible for us to get this callback while not doing a drag if
-    // it's from a previous page that got unloaded.
-    if (m_doingDragAndDrop) {
-        m_page->dragController()->dragEnded();
-        m_doingDragAndDrop = false;
-    }
-}
-
-WebDragOperation WebViewImpl::dragTargetDragEnter(
-    const WebDragData& webDragData,
-    const WebPoint& clientPoint,
-    const WebPoint& screenPoint,
-    WebDragOperationsMask operationsAllowed,
-    int keyModifiers)
-{
-    ASSERT(!m_currentDragData);
-
-    m_currentDragData = webDragData;
-    m_operationsAllowed = operationsAllowed;
-
-    return dragTargetDragEnterOrOver(clientPoint, screenPoint, DragEnter, keyModifiers);
-}
-
-WebDragOperation WebViewImpl::dragTargetDragOver(
-    const WebPoint& clientPoint,
-    const WebPoint& screenPoint,
-    WebDragOperationsMask operationsAllowed,
-    int keyModifiers)
-{
-    m_operationsAllowed = operationsAllowed;
-
-    return dragTargetDragEnterOrOver(clientPoint, screenPoint, DragOver, keyModifiers);
-}
-
-void WebViewImpl::dragTargetDragLeave()
-{
-    ASSERT(m_currentDragData);
-
-    DragData dragData(
-        m_currentDragData.get(),
-        IntPoint(),
-        IntPoint(),
-        static_cast<DragOperation>(m_operationsAllowed));
-
-    m_page->dragController()->dragExited(&dragData);
-
-    // FIXME: why is the drag scroll timer not stopped here?
-
-    m_dragOperation = WebDragOperationNone;
-    m_currentDragData = 0;
-}
-
-void WebViewImpl::dragTargetDrop(const WebPoint& clientPoint,
-                                 const WebPoint& screenPoint,
-                                 int keyModifiers)
-{
-    ASSERT(m_currentDragData);
-
-    // If this webview transitions from the "drop accepting" state to the "not
-    // accepting" state, then our IPC message reply indicating that may be in-
-    // flight, or else delayed by javascript processing in this webview.  If a
-    // drop happens before our IPC reply has reached the browser process, then
-    // the browser forwards the drop to this webview.  So only allow a drop to
-    // proceed if our webview m_dragOperation state is not DragOperationNone.
-
-    if (m_dragOperation == WebDragOperationNone) { // IPC RACE CONDITION: do not allow this drop.
-        dragTargetDragLeave();
-        return;
-    }
-
-    m_currentDragData->setModifierKeyState(webInputEventKeyStateToPlatformEventKeyState(keyModifiers));
-    DragData dragData(
-        m_currentDragData.get(),
-        clientPoint,
-        screenPoint,
-        static_cast<DragOperation>(m_operationsAllowed));
-
-    m_page->dragController()->performDrag(&dragData);
-
-    m_dragOperation = WebDragOperationNone;
-    m_currentDragData = 0;
-
-    m_dragScrollTimer->stop();
-}
-
-WebDragOperation WebViewImpl::dragTargetDragEnterOrOver(const WebPoint& clientPoint, const WebPoint& screenPoint, DragAction dragAction, int keyModifiers)
-{
-    ASSERT(m_currentDragData);
-
-    m_currentDragData->setModifierKeyState(webInputEventKeyStateToPlatformEventKeyState(keyModifiers));
-    DragData dragData(
-        m_currentDragData.get(),
-        clientPoint,
-        screenPoint,
-        static_cast<DragOperation>(m_operationsAllowed));
-
-    DragSession dragSession;
-    if (dragAction == DragEnter)
-        dragSession = m_page->dragController()->dragEntered(&dragData);
-    else
-        dragSession = m_page->dragController()->dragUpdated(&dragData);
-
-    DragOperation dropEffect = dragSession.operation;
-
-    // Mask the drop effect operation against the drag source's allowed operations.
-    if (!(dropEffect & dragData.draggingSourceOperationMask()))
-        dropEffect = DragOperationNone;
-
-     m_dragOperation = static_cast<WebDragOperation>(dropEffect);
-
-    if (dragAction == DragOver)
-        m_dragScrollTimer->triggerScroll(mainFrameImpl()->frameView(), clientPoint);
-    else
-        m_dragScrollTimer->stop();
-
-    return m_dragOperation;
-}
-
-void WebViewImpl::sendResizeEventAndRepaint()
-{
-    if (mainFrameImpl()->frameView()) {
-        // Enqueues the resize event.
-        mainFrameImpl()->frame()->eventHandler()->sendResizeEvent();
-    }
-
-    if (m_client) {
-        if (isAcceleratedCompositingActive()) {
-#if USE(ACCELERATED_COMPOSITING)
-            updateLayerTreeViewport();
-#endif
-        } else {
-            WebRect damagedRect(0, 0, m_size.width, m_size.height);
-            m_client->didInvalidateRect(damagedRect);
-        }
-    }
-    if (m_pageOverlays)
-        m_pageOverlays->update();
-}
-
-void WebViewImpl::configureAutoResizeMode()
-{
-    if (!mainFrameImpl() || !mainFrameImpl()->frame() || !mainFrameImpl()->frame()->view())
-        return;
-
-    mainFrameImpl()->frame()->view()->enableAutoSizeMode(m_shouldAutoResize, m_minAutoSize, m_maxAutoSize);
-}
-
-unsigned long WebViewImpl::createUniqueIdentifierForRequest()
-{
-    if (m_page)
-        return m_page->progress()->createUniqueIdentifier();
-    return 0;
-}
-
-void WebViewImpl::inspectElementAt(const WebPoint& point)
-{
-    if (!m_page)
-        return;
-
-    if (point.x == -1 || point.y == -1)
-        m_page->inspectorController()->inspect(0);
-    else {
-        HitTestResult result = hitTestResultForWindowPos(point);
-
-        if (!result.innerNonSharedNode())
-            return;
-
-        m_page->inspectorController()->inspect(result.innerNonSharedNode());
-    }
-}
-
-WebString WebViewImpl::inspectorSettings() const
-{
-    return m_inspectorSettings;
-}
-
-void WebViewImpl::setInspectorSettings(const WebString& settings)
-{
-    m_inspectorSettings = settings;
-}
-
-bool WebViewImpl::inspectorSetting(const WebString& key, WebString* value) const
-{
-    if (!m_inspectorSettingsMap->contains(key))
-        return false;
-    *value = m_inspectorSettingsMap->get(key);
-    return true;
-}
-
-void WebViewImpl::setInspectorSetting(const WebString& key,
-                                      const WebString& value)
-{
-    m_inspectorSettingsMap->set(key, value);
-    client()->didUpdateInspectorSetting(key, value);
-}
-
-WebDevToolsAgent* WebViewImpl::devToolsAgent()
-{
-    return m_devToolsAgent.get();
-}
-
-WebAccessibilityObject WebViewImpl::accessibilityObject()
-{
-    if (!mainFrameImpl())
-        return WebAccessibilityObject();
-
-    Document* document = mainFrameImpl()->frame()->document();
-    return WebAccessibilityObject(
-        document->axObjectCache()->getOrCreate(document->renderer()));
-}
-
-void WebViewImpl::applyAutofillSuggestions(
-    const WebNode& node,
-    const WebVector<WebString>& names,
-    const WebVector<WebString>& labels,
-    const WebVector<WebString>& icons,
-    const WebVector<int>& itemIDs,
-    int separatorIndex)
-{
-    ASSERT(names.size() == labels.size());
-    ASSERT(names.size() == itemIDs.size());
-
-    if (names.isEmpty()) {
-        hideAutofillPopup();
-        return;
-    }
-
-    RefPtr<Node> focusedNode = focusedWebCoreNode();
-    // If the node for which we queried the Autofill suggestions is not the
-    // focused node, then we have nothing to do.  FIXME: also check the
-    // caret is at the end and that the text has not changed.
-    if (!focusedNode || focusedNode != PassRefPtr<Node>(node)) {
-        hideAutofillPopup();
-        return;
-    }
-
-    HTMLInputElement* inputElem = focusedNode->toInputElement();
-    ASSERT(inputElem);
-
-    // The first time the Autofill popup is shown we'll create the client and
-    // the popup.
-    if (!m_autofillPopupClient)
-        m_autofillPopupClient = adoptPtr(new AutofillPopupMenuClient);
-
-    m_autofillPopupClient->initialize(
-        inputElem, names, labels, icons, itemIDs, separatorIndex);
-
-    if (!m_autofillPopup) {
-        PopupContainerSettings popupSettings = autofillPopupSettings;
-        popupSettings.deviceSupportsTouch = settingsImpl()->deviceSupportsTouch();
-        m_autofillPopup = PopupContainer::create(m_autofillPopupClient.get(),
-                                                 PopupContainer::Suggestion,
-                                                 popupSettings);
-    }
-
-    if (m_autofillPopupShowing) {
-        refreshAutofillPopup();
-    } else {
-        m_autofillPopupShowing = true;
-        m_autofillPopup->showInRect(focusedNode->pixelSnappedBoundingBox(), focusedNode->ownerDocument()->view(), 0);
-    }
-}
-
-void WebViewImpl::hidePopups()
-{
-    hideSelectPopup();
-    hideAutofillPopup();
-#if ENABLE(PAGE_POPUP)
-    if (m_pagePopup)
-        closePagePopup(m_pagePopup.get());
-#endif
-}
-
-void WebViewImpl::performCustomContextMenuAction(unsigned action)
-{
-    if (!m_page)
-        return;
-    ContextMenu* menu = m_page->contextMenuController()->contextMenu();
-    if (!menu)
-        return;
-    ContextMenuItem* item = menu->itemWithAction(static_cast<ContextMenuAction>(ContextMenuItemBaseCustomTag + action));
-    if (item)
-        m_page->contextMenuController()->contextMenuItemSelected(item);
-    m_page->contextMenuController()->clearContextMenu();
-}
-
-// WebView --------------------------------------------------------------------
-
-void WebViewImpl::setIsTransparent(bool isTransparent)
-{
-    // Set any existing frames to be transparent.
-    Frame* frame = m_page->mainFrame();
-    while (frame) {
-        frame->view()->setTransparent(isTransparent);
-        frame = frame->tree()->traverseNext();
-    }
-
-    // Future frames check this to know whether to be transparent.
-    m_isTransparent = isTransparent;
-
-    if (m_nonCompositedContentHost)
-        m_nonCompositedContentHost->setOpaque(!isTransparent);
-
-    if (m_layerTreeView)
-        m_layerTreeView->setHasTransparentBackground(isTransparent);
-}
-
-bool WebViewImpl::isTransparent() const
-{
-    return m_isTransparent;
-}
-
-void WebViewImpl::setIsActive(bool active)
-{
-    if (page() && page()->focusController())
-        page()->focusController()->setActive(active);
-}
-
-bool WebViewImpl::isActive() const
-{
-    return (page() && page()->focusController()) ? page()->focusController()->isActive() : false;
-}
-
-void WebViewImpl::setDomainRelaxationForbidden(bool forbidden, const WebString& scheme)
-{
-    SchemeRegistry::setDomainRelaxationForbiddenForURLScheme(forbidden, String(scheme));
-}
-
-void WebViewImpl::setScrollbarColors(unsigned inactiveColor,
-                                     unsigned activeColor,
-                                     unsigned trackColor) {
-#if ENABLE(DEFAULT_RENDER_THEME)
-    PlatformThemeChromiumDefault::setScrollbarColors(inactiveColor, activeColor, trackColor);
-#elif OS(UNIX) && !OS(DARWIN) && !OS(ANDROID)
-    PlatformThemeChromiumLinux::setScrollbarColors(inactiveColor, activeColor, trackColor);
-#endif
-}
-
-void WebViewImpl::setSelectionColors(unsigned activeBackgroundColor,
-                                     unsigned activeForegroundColor,
-                                     unsigned inactiveBackgroundColor,
-                                     unsigned inactiveForegroundColor) {
-#if ENABLE(DEFAULT_RENDER_THEME)
-    RenderThemeChromiumDefault::setSelectionColors(activeBackgroundColor, activeForegroundColor, inactiveBackgroundColor, inactiveForegroundColor);
-    theme()->platformColorsDidChange();
-#elif OS(UNIX) && !OS(DARWIN) && !OS(ANDROID)
-    RenderThemeChromiumLinux::setSelectionColors(activeBackgroundColor, activeForegroundColor, inactiveBackgroundColor, inactiveForegroundColor);
-    theme()->platformColorsDidChange();
-#endif
-}
-
-void WebView::addUserScript(const WebString& sourceCode,
-                            const WebVector<WebString>& patternsIn,
-                            WebView::UserScriptInjectAt injectAt,
-                            WebView::UserContentInjectIn injectIn)
-{
-    Vector<String> patterns;
-    for (size_t i = 0; i < patternsIn.size(); ++i)
-        patterns.append(patternsIn[i]);
-
-    PageGroup* pageGroup = PageGroup::pageGroup(pageGroupName);
-    RefPtr<DOMWrapperWorld> world(DOMWrapperWorld::createUninitializedWorld());
-    pageGroup->addUserScriptToWorld(world.get(), sourceCode, WebURL(), patterns, Vector<String>(),
-                                    static_cast<UserScriptInjectionTime>(injectAt),
-                                    static_cast<UserContentInjectedFrames>(injectIn));
-}
-
-void WebView::addUserStyleSheet(const WebString& sourceCode,
-                                const WebVector<WebString>& patternsIn,
-                                WebView::UserContentInjectIn injectIn,
-                                WebView::UserStyleInjectionTime injectionTime)
-{
-    Vector<String> patterns;
-    for (size_t i = 0; i < patternsIn.size(); ++i)
-        patterns.append(patternsIn[i]);
-
-    PageGroup* pageGroup = PageGroup::pageGroup(pageGroupName);
-    RefPtr<DOMWrapperWorld> world(DOMWrapperWorld::createUninitializedWorld());
-
-    // FIXME: Current callers always want the level to be "author". It probably makes sense to let
-    // callers specify this though, since in other cases the caller will probably want "user" level.
-    //
-    // FIXME: It would be nice to populate the URL correctly, instead of passing an empty URL.
-    pageGroup->addUserStyleSheetToWorld(world.get(), sourceCode, WebURL(), patterns, Vector<String>(),
-                                        static_cast<UserContentInjectedFrames>(injectIn),
-                                        UserStyleAuthorLevel,
-                                        static_cast<WebCore::UserStyleInjectionTime>(injectionTime));
-}
-
-void WebView::removeAllUserContent()
-{
-    PageGroup* pageGroup = PageGroup::pageGroup(pageGroupName);
-    pageGroup->removeAllUserContent();
-}
-
-void WebViewImpl::didCommitLoad(bool* isNewNavigation, bool isNavigationWithinPage)
-{
-    if (isNewNavigation)
-        *isNewNavigation = m_observedNewNavigation;
-
-#ifndef NDEBUG
-    ASSERT(!m_observedNewNavigation
-        || m_page->mainFrame()->loader()->documentLoader() == m_newNavigationLoader);
-    m_newNavigationLoader = 0;
-#endif
-    m_observedNewNavigation = false;
-    if (*isNewNavigation && !isNavigationWithinPage) {
-        m_pageScaleFactorIsSet = false;
-        m_doubleTapZoomInEffect = false;
-    }
-
-    // Make sure link highlight from previous page is cleared.
-    m_linkHighlight.clear();
-    m_gestureAnimation.clear();
-    resetSavedScrollAndScaleState();
-}
-
-void WebViewImpl::layoutUpdated(WebFrameImpl* webframe)
-{
-    if (!m_client || webframe != mainFrameImpl())
-        return;
-
-    if (m_shouldAutoResize && mainFrameImpl()->frame() && mainFrameImpl()->frame()->view()) {
-        WebSize frameSize = mainFrameImpl()->frame()->view()->frameRect().size();
-        if (frameSize != m_size) {
-            m_size = frameSize;
-            m_client->didAutoResize(m_size);
-            sendResizeEventAndRepaint();
-        }
-    }
-
-    m_client->didUpdateLayout();
-}
-
-void WebViewImpl::didChangeContentsSize()
-{
-#if ENABLE(VIEWPORT)
-    if (!settings()->viewportEnabled())
-        return;
-
-    bool didChangeScale = false;
-    if (!isPageScaleFactorSet()) {
-        // If the viewport tag failed to be processed earlier, we need
-        // to recompute it now.
-        ViewportArguments viewportArguments = mainFrameImpl()->frame()->document()->viewportArguments();
-        m_page->chrome()->client()->dispatchViewportPropertiesDidChange(viewportArguments);
-        didChangeScale = true;
-    } else
-        didChangeScale = computePageScaleFactorLimits();
-
-    if (!didChangeScale)
-        return;
-
-    if (!mainFrameImpl())
-        return;
-
-    FrameView* view = mainFrameImpl()->frameView();
-    if (view && view->needsLayout())
-        view->layout();
-#endif
-}
-
-bool WebViewImpl::useExternalPopupMenus()
-{
-    return shouldUseExternalPopupMenus;
-}
-
-void WebViewImpl::setEmulatedTextZoomFactor(float textZoomFactor)
-{
-    m_emulatedTextZoomFactor = textZoomFactor;
-    Frame* frame = mainFrameImpl()->frame();
-    if (frame)
-        frame->setPageAndTextZoomFactors(frame->pageZoomFactor(), m_emulatedTextZoomFactor);
-}
-
-bool WebViewImpl::navigationPolicyFromMouseEvent(unsigned short button,
-                                                 bool ctrl, bool shift,
-                                                 bool alt, bool meta,
-                                                 WebNavigationPolicy* policy)
-{
-#if OS(DARWIN)
-    const bool newTabModifier = (button == 1) || meta;
-#else
-    const bool newTabModifier = (button == 1) || ctrl;
-#endif
-    if (!newTabModifier && !shift && !alt)
-      return false;
-
-    ASSERT(policy);
-    if (newTabModifier) {
-        if (shift)
-          *policy = WebNavigationPolicyNewForegroundTab;
-        else
-          *policy = WebNavigationPolicyNewBackgroundTab;
-    } else {
-        if (shift)
-          *policy = WebNavigationPolicyNewWindow;
-        else
-          *policy = WebNavigationPolicyDownload;
-    }
-    return true;
-}
-
-void WebViewImpl::startDragging(Frame* frame,
-                                const WebDragData& dragData,
-                                WebDragOperationsMask mask,
-                                const WebImage& dragImage,
-                                const WebPoint& dragImageOffset)
-{
-    if (!m_client)
-        return;
-    ASSERT(!m_doingDragAndDrop);
-    m_doingDragAndDrop = true;
-    m_client->startDragging(WebFrameImpl::fromFrame(frame), dragData, mask, dragImage, dragImageOffset);
-}
-
-void WebViewImpl::observeNewNavigation()
-{
-    m_observedNewNavigation = true;
-#ifndef NDEBUG
-    m_newNavigationLoader = m_page->mainFrame()->loader()->documentLoader();
-#endif
-}
-
-void WebViewImpl::setIgnoreInputEvents(bool newValue)
-{
-    ASSERT(m_ignoreInputEvents != newValue);
-    m_ignoreInputEvents = newValue;
-}
-
-void WebViewImpl::addPageOverlay(WebPageOverlay* overlay, int zOrder)
-{
-    if (!m_pageOverlays)
-        m_pageOverlays = PageOverlayList::create(this);
-
-    m_pageOverlays->add(overlay, zOrder);
-}
-
-void WebViewImpl::removePageOverlay(WebPageOverlay* overlay)
-{
-    if (m_pageOverlays && m_pageOverlays->remove(overlay) && m_pageOverlays->empty())
-        m_pageOverlays = nullptr;
-}
-
-void WebViewImpl::setOverlayLayer(WebCore::GraphicsLayer* layer)
-{
-    if (m_rootGraphicsLayer) {
-        if (layer->parent() != m_rootGraphicsLayer)
-            m_rootGraphicsLayer->addChild(layer);
-    }
-}
-
-#if ENABLE(NOTIFICATIONS) || ENABLE(LEGACY_NOTIFICATIONS)
-NotificationPresenterImpl* WebViewImpl::notificationPresenterImpl()
-{
-    if (!m_notificationPresenter.isInitialized() && m_client)
-        m_notificationPresenter.initialize(m_client->notificationPresenter());
-    return &m_notificationPresenter;
-}
-#endif
-
-void WebViewImpl::refreshAutofillPopup()
-{
-    ASSERT(m_autofillPopupShowing);
-
-    // Hide the popup if it has become empty.
-    if (!m_autofillPopupClient->listSize()) {
-        hideAutofillPopup();
-        return;
-    }
-
-    WebRect newWidgetRect = m_autofillPopup->refresh(focusedWebCoreNode()->pixelSnappedBoundingBox());
-    // Let's resize the backing window if necessary.
-    WebPopupMenuImpl* popupMenu = static_cast<WebPopupMenuImpl*>(m_autofillPopup->client());
-    if (popupMenu && popupMenu->client()->windowRect() != newWidgetRect)
-        popupMenu->client()->setWindowRect(newWidgetRect);
-}
-
-Node* WebViewImpl::focusedWebCoreNode()
-{
-    Frame* frame = m_page->focusController()->focusedFrame();
-    if (!frame)
-        return 0;
-
-    Document* document = frame->document();
-    if (!document)
-        return 0;
-
-    return document->focusedNode();
-}
-
-HitTestResult WebViewImpl::hitTestResultForWindowPos(const IntPoint& pos)
-{
-    IntPoint docPoint(m_page->mainFrame()->view()->windowToContents(pos));
-    return m_page->mainFrame()->eventHandler()->hitTestResultAtPoint(docPoint, false);
-}
-
-void WebViewImpl::setTabsToLinks(bool enable)
-{
-    m_tabsToLinks = enable;
-}
-
-bool WebViewImpl::tabsToLinks() const
-{
-    return m_tabsToLinks;
-}
-
-void WebViewImpl::suppressInvalidations(bool enable)
-{
-    m_suppressInvalidations = enable;
-}
-
-#if USE(ACCELERATED_COMPOSITING)
-bool WebViewImpl::allowsAcceleratedCompositing()
-{
-    return !m_compositorCreationFailed;
-}
-
-void WebViewImpl::setRootGraphicsLayer(GraphicsLayer* layer)
-{
-    TemporaryChange<bool> change(m_suppressInvalidations, true);
-
-    m_rootGraphicsLayer = layer;
-    m_rootLayer = layer ? layer->platformLayer() : 0;
-
-    setIsAcceleratedCompositingActive(layer);
-    if (m_nonCompositedContentHost) {
-        GraphicsLayer* scrollLayer = 0;
-        if (layer) {
-            Document* document = page()->mainFrame()->document();
-            RenderView* renderView = document->renderView();
-            RenderLayerCompositor* compositor = renderView->compositor();
-            scrollLayer = compositor->scrollLayer();
-        }
-        m_nonCompositedContentHost->setScrollLayer(scrollLayer);
-    }
-
-    if (m_layerTreeView) {
-        if (m_rootLayer)
-            m_layerTreeView->setRootLayer(*m_rootLayer);
-        else
-            m_layerTreeView->clearRootLayer();
-    }
-
-    IntRect damagedRect(0, 0, m_size.width, m_size.height);
-    if (!m_isAcceleratedCompositingActive && !m_suppressInvalidations)
-        m_client->didInvalidateRect(damagedRect);
-}
-
-void WebViewImpl::scheduleCompositingLayerSync()
-{
-    m_layerTreeView->setNeedsRedraw();
-}
-
-void WebViewImpl::scrollRootLayerRect(const IntSize&, const IntRect&)
-{
-    updateLayerTreeViewport();
-}
-
-void WebViewImpl::invalidateRect(const IntRect& rect)
-{
-    if (m_layerTreeViewCommitsDeferred) {
-        // If we receive an invalidation from WebKit while in deferred commit mode,
-        // that means it's time to start producing frames again so un-defer.
-        m_layerTreeView->setDeferCommits(false);
-        m_layerTreeViewCommitsDeferred = false;
-    }
-    if (m_isAcceleratedCompositingActive) {
-        ASSERT(m_layerTreeView);
-
-        if (!page())
-            return;
-
-        FrameView* view = page()->mainFrame()->view();
-        IntRect dirtyRect = view->windowToContents(rect);
-        updateLayerTreeViewport();
-        m_nonCompositedContentHost->invalidateRect(dirtyRect);
-    } else if (m_client)
-        m_client->didInvalidateRect(rect);
-}
-
-NonCompositedContentHost* WebViewImpl::nonCompositedContentHost()
-{
-    return m_nonCompositedContentHost.get();
-}
-
-void WebViewImpl::setBackgroundColor(const WebCore::Color& color)
-{
-    WebCore::Color documentBackgroundColor = color.isValid() ? color : WebCore::Color::white;
-    WebColor webDocumentBackgroundColor = documentBackgroundColor.rgb();
-    m_nonCompositedContentHost->setBackgroundColor(documentBackgroundColor);
-    m_layerTreeView->setBackgroundColor(webDocumentBackgroundColor);
-}
-
-WebCore::GraphicsLayer* WebViewImpl::rootGraphicsLayer()
-{
-    return m_rootGraphicsLayer;
-}
-
-#if ENABLE(REQUEST_ANIMATION_FRAME)
-void WebViewImpl::scheduleAnimation()
-{
-    if (isAcceleratedCompositingActive()) {
-        if (Platform::current()->compositorSupport()->isThreadingEnabled()) {
-            ASSERT(m_layerTreeView);
-            m_layerTreeView->setNeedsAnimate();
-        } else
-            m_client->scheduleAnimation();
-    } else
-            m_client->scheduleAnimation();
-}
-#endif
-
-void WebViewImpl::paintRootLayer(GraphicsContext& context, const IntRect& contentRect)
-{
-    double paintStart = currentTime();
-    if (!page())
-        return;
-    FrameView* view = page()->mainFrame()->view();
-    if (context.platformContext())
-        context.platformContext()->setDeviceScaleFactor(page()->deviceScaleFactor());
-    view->paintContents(&context, contentRect);
-    double paintEnd = currentTime();
-    double pixelsPerSec = (contentRect.width() * contentRect.height()) / (paintEnd - paintStart);
-    WebKit::Platform::current()->histogramCustomCounts("Renderer4.AccelRootPaintDurationMS", (paintEnd - paintStart) * 1000, 0, 120, 30);
-    WebKit::Platform::current()->histogramCustomCounts("Renderer4.AccelRootPaintMegapixPerSecond", pixelsPerSec / 1000000, 10, 210, 30);
-
-    setBackgroundColor(view->documentBackgroundColor());
-}
-
-void WebViewImpl::setIsAcceleratedCompositingActive(bool active)
-{
-    WebKit::Platform::current()->histogramEnumeration("GPU.setIsAcceleratedCompositingActive", active * 2 + m_isAcceleratedCompositingActive, 4);
-
-    if (m_isAcceleratedCompositingActive == active)
-        return;
-
-    if (!active) {
-        m_isAcceleratedCompositingActive = false;
-        // We need to finish all GL rendering before sending didDeactivateCompositor() to prevent
-        // flickering when compositing turns off. This is only necessary if we're not in
-        // force-compositing-mode.
-        if (m_layerTreeView && !page()->settings()->forceCompositingMode())
-            m_layerTreeView->finishAllRendering();
-        m_client->didDeactivateCompositor();
-        if (!m_layerTreeViewCommitsDeferred
-            && WebKit::Platform::current()->compositorSupport()->isThreadingEnabled()) {
-            ASSERT(m_layerTreeView);
-            // In threaded compositing mode, force compositing mode is always on so setIsAcceleratedCompositingActive(false)
-            // means that we're transitioning to a new page. Suppress commits until WebKit generates invalidations so
-            // we don't attempt to paint too early in the next page load.
-            m_layerTreeView->setDeferCommits(true);
-            m_layerTreeViewCommitsDeferred = true;
-        }
-    } else if (m_layerTreeView) {
-        m_isAcceleratedCompositingActive = true;
-        updateLayerTreeViewport();
-
-        m_client->didActivateCompositor(m_inputHandlerIdentifier);
-    } else {
-        TRACE_EVENT0("webkit", "WebViewImpl::setIsAcceleratedCompositingActive(true)");
-
-        WebLayerTreeView::Settings layerTreeViewSettings;
-        layerTreeViewSettings.acceleratePainting = page()->settings()->acceleratedDrawingEnabled();
-        layerTreeViewSettings.showDebugBorders = page()->settings()->showDebugBorders();
-        layerTreeViewSettings.showFPSCounter = settingsImpl()->showFPSCounter();
-        layerTreeViewSettings.showPlatformLayerTree = settingsImpl()->showPlatformLayerTree();
-        layerTreeViewSettings.showPaintRects = settingsImpl()->showPaintRects();
-        layerTreeViewSettings.renderVSyncEnabled = settingsImpl()->renderVSyncEnabled();
-        layerTreeViewSettings.perTilePaintingEnabled = settingsImpl()->perTilePaintingEnabled();
-        layerTreeViewSettings.acceleratedAnimationEnabled = settingsImpl()->acceleratedAnimationEnabled();
-        layerTreeViewSettings.pageScalePinchZoomEnabled = settingsImpl()->applyPageScaleFactorInCompositor();
-
-        layerTreeViewSettings.defaultTileSize = settingsImpl()->defaultTileSize();
-        layerTreeViewSettings.maxUntiledLayerSize = settingsImpl()->maxUntiledLayerSize();
-
-        m_nonCompositedContentHost = NonCompositedContentHost::create(this);
-        m_nonCompositedContentHost->setShowDebugBorders(page()->settings()->showDebugBorders());
-        m_nonCompositedContentHost->setOpaque(!isTransparent());
-
-        m_layerTreeView = adoptPtr(Platform::current()->compositorSupport()->createLayerTreeView(this, *m_rootLayer, layerTreeViewSettings));
-        if (m_layerTreeView) {
-            if (m_webSettings->applyDeviceScaleFactorInCompositor() && page()->deviceScaleFactor() != 1) {
-                ASSERT(page()->deviceScaleFactor());
-
-                m_deviceScaleInCompositor = page()->deviceScaleFactor();
-                setDeviceScaleFactor(m_deviceScaleInCompositor);
-            }
-
-            bool visible = page()->visibilityState() == PageVisibilityStateVisible;
-            m_layerTreeView->setVisible(visible);
-            m_layerTreeView->setPageScaleFactorAndLimits(pageScaleFactor(), m_minimumPageScaleFactor, m_maximumPageScaleFactor);
-            if (m_compositorSurfaceReady)
-                m_layerTreeView->setSurfaceReady();
-            m_layerTreeView->setHasTransparentBackground(isTransparent());
-            updateLayerTreeViewport();
-            m_client->didActivateCompositor(m_inputHandlerIdentifier);
-            m_isAcceleratedCompositingActive = true;
-            m_compositorCreationFailed = false;
-            m_isFontAtlasLoaded = false;
-            if (m_pageOverlays)
-                m_pageOverlays->update();
-
-            if (layerTreeViewSettings.showPlatformLayerTree)
-                loadFontAtlasIfNecessary();
-
-            if (settingsImpl()->showFPSCounter())
-                setShowFPSCounter(true);
-        } else {
-            m_nonCompositedContentHost.clear();
-            m_isAcceleratedCompositingActive = false;
-            m_client->didDeactivateCompositor();
-            m_compositorCreationFailed = true;
-        }
-    }
-    if (page())
-        page()->mainFrame()->view()->setClipsRepaints(!m_isAcceleratedCompositingActive);
-}
-
-void WebViewImpl::loadFontAtlasIfNecessary()
-{
-    ASSERT(m_layerTreeView);
-
-    if (m_isFontAtlasLoaded)
-        return;
-
-    TRACE_EVENT0("webkit", "WebViewImpl::loadFontAtlas");
-    WebRect asciiToRectTable[128];
-    int fontHeight;
-    SkBitmap bitmap = WebCore::CompositorHUDFontAtlas::generateFontAtlas(asciiToRectTable, fontHeight);
-    m_layerTreeView->setFontAtlas(asciiToRectTable, bitmap, fontHeight);
-    m_isFontAtlasLoaded = true;
-}
-
-#endif
-
-namespace {
-
-// Adapts a pure WebGraphicsContext3D into a WebCompositorOutputSurface until
-// downstream code can be updated to produce output surfaces directly.
-class WebGraphicsContextToOutputSurfaceAdapter : public WebCompositorOutputSurface {
-public:
-    explicit WebGraphicsContextToOutputSurfaceAdapter(PassOwnPtr<WebGraphicsContext3D> context)
-        : m_context3D(context)
-        , m_client(0)
-    {
-    }
-
-    virtual bool bindToClient(WebCompositorOutputSurfaceClient* client) OVERRIDE
-    {
-        ASSERT(client);
-        if (!m_context3D->makeContextCurrent())
-            return false;
-        m_client = client;
-        return true;
-    }
-
-    virtual const Capabilities& capabilities() const OVERRIDE
-    {
-        return m_capabilities;
-    }
-
-    virtual WebGraphicsContext3D* context3D() const OVERRIDE
-    {
-        return m_context3D.get();
-    }
-
-    virtual void sendFrameToParentCompositor(const WebCompositorFrame&) OVERRIDE
-    {
-    }
-
-private:
-    OwnPtr<WebGraphicsContext3D> m_context3D;
-    Capabilities m_capabilities;
-    WebCompositorOutputSurfaceClient* m_client;
-};
-
-} // namespace
-
-WebCompositorOutputSurface* WebViewImpl::createOutputSurface()
-{
-    return m_client->createOutputSurface();
-}
-
-WebInputHandler* WebViewImpl::createInputHandler()
-{
-    WebCompositorInputHandlerImpl* handler = new WebCompositorInputHandlerImpl();
-    m_inputHandlerIdentifier = handler->identifier();
-    return handler;
-}
-
-void WebViewImpl::applyScrollAndScale(const WebSize& scrollDelta, float pageScaleDelta)
-{
-    if (!mainFrameImpl() || !mainFrameImpl()->frameView())
-        return;
-
-    if (pageScaleDelta == 1) {
-        TRACE_EVENT_INSTANT2("webkit", "WebViewImpl::applyScrollAndScale::scrollBy", "x", scrollDelta.width, "y", scrollDelta.height);
-        mainFrameImpl()->frameView()->scrollBy(scrollDelta);
-    } else {
-        // The page scale changed, so apply a scale and scroll in a single
-        // operation.
-        WebSize scrollOffset = mainFrame()->scrollOffset();
-        scrollOffset.width += scrollDelta.width;
-        scrollOffset.height += scrollDelta.height;
-
-        WebPoint scrollPoint(scrollOffset.width, scrollOffset.height);
-        if (!m_page->settings()->applyPageScaleFactorInCompositor()) {
-            // The old scroll offset (and passed-in delta) are in the old
-            // coordinate space, so we first need to multiply them by the page
-            // scale delta.
-            scrollPoint.x = scrollPoint.x * pageScaleDelta;
-            scrollPoint.y = scrollPoint.y * pageScaleDelta;
-        }
-
-        setPageScaleFactor(pageScaleFactor() * pageScaleDelta, scrollPoint);
-        m_doubleTapZoomInEffect = false;
-    }
-}
-
-void WebViewImpl::willCommit()
-{
-    InspectorInstrumentation::willComposite(m_page.get());
-}
-
-void WebViewImpl::didCommit()
-{
-    if (m_client)
-        m_client->didBecomeReadyForAdditionalInput();
-}
-
-void WebViewImpl::didCommitAndDrawFrame()
-{
-    if (m_client)
-        m_client->didCommitAndDrawCompositorFrame();
-}
-
-void WebViewImpl::didCompleteSwapBuffers()
-{
-    if (m_client)
-        m_client->didCompleteSwapBuffers();
-}
-
-void WebViewImpl::didRecreateOutputSurface(bool success)
-{
-    // Switch back to software rendering mode, if necessary
-    if (!success) {
-        ASSERT(m_isAcceleratedCompositingActive);
-        setIsAcceleratedCompositingActive(false);
-        m_compositorCreationFailed = true;
-        m_client->didInvalidateRect(IntRect(0, 0, m_size.width, m_size.height));
-
-        // Force a style recalc to remove all the composited layers.
-        m_page->mainFrame()->document()->scheduleForcedStyleRecalc();
-        return;
-    }
-
-    if (m_pageOverlays)
-        m_pageOverlays->update();
-}
-
-void WebViewImpl::scheduleComposite()
-{
-    if  (m_suppressInvalidations) {
-        TRACE_EVENT_INSTANT0("webkit", "WebViewImpl invalidations suppressed");
-        return;
-    }
-
-    ASSERT(!Platform::current()->compositorSupport()->isThreadingEnabled());
-    m_client->scheduleComposite();
-}
-
-void WebViewImpl::createFontAtlas(SkBitmap& bitmap, WebRect asciiToRectTable[128], int& fontHeight)
-{
-    TRACE_EVENT0("webkit", "WebViewImpl::loadFontAtlas");
-    bitmap = WebCore::CompositorHUDFontAtlas::generateFontAtlas(asciiToRectTable, fontHeight);
-}
-
-void WebViewImpl::updateLayerTreeViewport()
-{
-    if (!page() || !m_nonCompositedContentHost || !m_layerTreeView)
-        return;
-
-    FrameView* view = page()->mainFrame()->view();
-    IntRect visibleRect = view->visibleContentRect(true /* include scrollbars */);
-    IntPoint scroll(view->scrollX(), view->scrollY());
-
-    m_nonCompositedContentHost->setViewport(visibleRect.size(), view->contentsSize(), scroll, view->scrollOrigin());
-
-    IntSize layoutViewportSize = size();
-    IntSize deviceViewportSize = size();
-
-    // This part of the deviceScale will be used to scale the contents of
-    // the NCCH's GraphicsLayer.
-    deviceViewportSize.scale(m_deviceScaleInCompositor);
-    m_layerTreeView->setViewportSize(layoutViewportSize, deviceViewportSize);
-    m_layerTreeView->setPageScaleFactorAndLimits(pageScaleFactor(), m_minimumPageScaleFactor, m_maximumPageScaleFactor);
-}
-
-WebGraphicsContext3D* WebViewImpl::sharedGraphicsContext3D()
-{
-    if (!m_page->settings()->acceleratedCompositingEnabled() || !allowsAcceleratedCompositing())
-        return 0;
-
-    return GraphicsContext3DPrivate::extractWebGraphicsContext3D(SharedGraphicsContext3D::get().get());
-}
-
-void WebViewImpl::selectAutofillSuggestionAtIndex(unsigned listIndex)
-{
-    if (m_autofillPopupClient && listIndex < m_autofillPopupClient->getSuggestionsCount())
-        m_autofillPopupClient->valueChanged(listIndex);
-}
-
-bool WebViewImpl::detectContentOnTouch(const WebPoint& position)
-{
-    HitTestResult touchHit = hitTestResultForWindowPos(position);
-
-    if (touchHit.isContentEditable())
-        return false;
-
-    Node* node = touchHit.innerNode();
-    if (!node || !node->isTextNode())
-        return false;
-
-    // Ignore when tapping on links or nodes listening to click events, unless the click event is on the
-    // body element, in which case it's unlikely that the original node itself was intended to be clickable.
-    for (; node && !node->hasTagName(HTMLNames::bodyTag); node = node->parentNode()) {
-        if (node->isLink() || node->willRespondToTouchEvents() || node->willRespondToMouseClickEvents())
-            return false;
-    }
-
-    WebContentDetectionResult content = m_client->detectContentAround(touchHit);
-    if (!content.isValid())
-        return false;
-
-    m_client->scheduleContentIntent(content.intent());
-    return true;
-}
-
-void WebViewImpl::setVisibilityState(WebPageVisibilityState visibilityState,
-                                     bool isInitialState) {
-    if (!page())
-        return;
-
-#if ENABLE(PAGE_VISIBILITY_API)
-    ASSERT(visibilityState == WebPageVisibilityStateVisible
-           || visibilityState == WebPageVisibilityStateHidden
-           || visibilityState == WebPageVisibilityStatePrerender
-           || visibilityState == WebPageVisibilityStatePreview);
-    m_page->setVisibilityState(static_cast<PageVisibilityState>(static_cast<int>(visibilityState)), isInitialState);
-#endif
-
-#if USE(ACCELERATED_COMPOSITING)
-    if (m_layerTreeView) {
-        bool visible = visibilityState == WebPageVisibilityStateVisible;
-        m_layerTreeView->setVisible(visible);
-    }
-#endif
-}
-
-#if ENABLE(POINTER_LOCK)
-bool WebViewImpl::requestPointerLock()
-{
-    return m_client && m_client->requestPointerLock();
-}
-
-void WebViewImpl::requestPointerUnlock()
-{
-    if (m_client)
-        m_client->requestPointerUnlock();
-}
-
-bool WebViewImpl::isPointerLocked()
-{
-    return m_client && m_client->isPointerLocked();
-}
-
-void WebViewImpl::pointerLockMouseEvent(const WebInputEvent& event)
-{
-    AtomicString eventType;
-    switch (event.type) {
-    case WebInputEvent::MouseDown:
-        eventType = eventNames().mousedownEvent;
-        break;
-    case WebInputEvent::MouseUp:
-        eventType = eventNames().mouseupEvent;
-        break;
-    case WebInputEvent::MouseMove:
-        eventType = eventNames().mousemoveEvent;
-        break;
-    default:
-        ASSERT_NOT_REACHED();
-    }
-
-    const WebMouseEvent& mouseEvent = static_cast<const WebMouseEvent&>(event);
-
-    if (page())
-        page()->pointerLockController()->dispatchLockedMouseEvent(
-            PlatformMouseEventBuilder(mainFrameImpl()->frameView(), mouseEvent),
-            eventType);
-}
-#endif
-
-} // namespace WebKit