Initial import.

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diff --git a/chromium/content/renderer/render_view_impl.h b/chromium/content/renderer/render_view_impl.h
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+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
+#define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
+
+#include <deque>
+#include <map>
+#include <set>
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/gtest_prod_util.h"
+#include "base/id_map.h"
+#include "base/memory/linked_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "base/observer_list.h"
+#include "base/process/process.h"
+#include "base/timer/timer.h"
+#include "build/build_config.h"
+#include "cc/input/top_controls_state.h"
+#include "content/common/content_export.h"
+#include "content/common/drag_event_source_info.h"
+#include "content/common/edit_command.h"
+#include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
+#include "content/common/navigation_gesture.h"
+#include "content/common/view_message_enums.h"
+#include "content/public/common/javascript_message_type.h"
+#include "content/public/common/page_zoom.h"
+#include "content/public/common/referrer.h"
+#include "content/public/common/renderer_preferences.h"
+#include "content/public/common/stop_find_action.h"
+#include "content/public/common/top_controls_state.h"
+#include "content/public/renderer/render_view.h"
+#include "content/renderer/media/webmediaplayer_delegate.h"
+#include "content/renderer/mouse_lock_dispatcher.h"
+#include "content/renderer/render_frame_impl.h"
+#include "content/renderer/render_widget.h"
+#include "content/renderer/renderer_webcookiejar_impl.h"
+#include "content/renderer/stats_collection_observer.h"
+#include "ipc/ipc_platform_file.h"
+#include "third_party/WebKit/public/platform/WebFileSystem.h"
+#include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
+#include "third_party/WebKit/public/web/WebConsoleMessage.h"
+#include "third_party/WebKit/public/web/WebDataSource.h"
+#include "third_party/WebKit/public/web/WebFrameClient.h"
+#include "third_party/WebKit/public/web/WebHistoryItem.h"
+#include "third_party/WebKit/public/web/WebIconURL.h"
+#include "third_party/WebKit/public/web/WebInputEvent.h"
+#include "third_party/WebKit/public/web/WebNavigationType.h"
+#include "third_party/WebKit/public/web/WebNode.h"
+#include "third_party/WebKit/public/web/WebPageSerializerClient.h"
+#include "third_party/WebKit/public/web/WebPageVisibilityState.h"
+#include "third_party/WebKit/public/web/WebSecurityOrigin.h"
+#include "third_party/WebKit/public/web/WebViewClient.h"
+#include "ui/base/ui_base_types.h"
+#include "ui/surface/transport_dib.h"
+#include "webkit/common/webpreferences.h"
+
+#if defined(OS_ANDROID)
+#include "content/renderer/android/content_detector.h"
+#include "third_party/WebKit/public/web/WebContentDetectionResult.h"
+#endif
+
+#if defined(COMPILER_MSVC)
+// RenderViewImpl is a diamond-shaped hierarchy, with WebWidgetClient at the
+// root. VS warns when we inherit the WebWidgetClient method implementations
+// from RenderWidget.  It's safe to ignore that warning.
+#pragma warning(disable: 4250)
+#endif
+
+class CommandLine;
+class PepperDeviceTest;
+class SkBitmap;
+struct PP_NetAddress_Private;
+struct ViewMsg_Navigate_Params;
+struct ViewMsg_PostMessage_Params;
+struct ViewMsg_StopFinding_Params;
+
+namespace ui {
+struct SelectedFileInfo;
+}  // namespace ui
+
+namespace WebKit {
+class WebApplicationCacheHost;
+class WebApplicationCacheHostClient;
+class WebDOMMessageEvent;
+class WebDataSource;
+class WebDateTimeChooserCompletion;
+class WebDragData;
+class WebGeolocationClient;
+class WebGestureEvent;
+class WebIconURL;
+class WebImage;
+class WebPeerConnection00Handler;
+class WebPeerConnection00HandlerClient;
+class WebMediaPlayer;
+class WebMediaPlayerClient;
+class WebMouseEvent;
+class WebPeerConnectionHandler;
+class WebPeerConnectionHandlerClient;
+class WebSocketStreamHandle;
+class WebSpeechInputController;
+class WebSpeechInputListener;
+class WebSpeechRecognizer;
+class WebStorageNamespace;
+class WebTouchEvent;
+class WebURLRequest;
+class WebUserMediaClient;
+struct WebActiveWheelFlingParameters;
+struct WebCursorInfo;
+struct WebDateTimeChooserParams;
+struct WebFileChooserParams;
+struct WebFindOptions;
+struct WebMediaPlayerAction;
+struct WebPluginAction;
+struct WebPoint;
+struct WebWindowFeatures;
+
+#if defined(OS_ANDROID)
+class WebHitTestResult;
+#endif
+}
+
+namespace webkit_glue {
+class WebURLResponseExtraDataImpl;
+}
+
+namespace content {
+class BrowserPluginManager;
+class DeviceOrientationDispatcher;
+class DevToolsAgent;
+class DocumentState;
+class DomAutomationController;
+class ExternalPopupMenu;
+class FaviconHelper;
+class GeolocationDispatcher;
+class ImageResourceFetcher;
+class InputTagSpeechDispatcher;
+class JavaBridgeDispatcher;
+class LoadProgressTracker;
+class MIDIDispatcher;
+class MediaStreamClient;
+class MediaStreamDispatcher;
+class MouseLockDispatcher;
+class NavigationState;
+class NotificationProvider;
+class PepperPluginInstanceImpl;
+class RenderViewObserver;
+class RenderViewTest;
+class RendererAccessibility;
+class RendererDateTimePicker;
+class RendererPpapiHost;
+class RendererWebColorChooserImpl;
+class RenderWidgetFullscreenPepper;
+class SpeechRecognitionDispatcher;
+class StatsCollectionController;
+class WebPluginDelegateProxy;
+struct CustomContextMenuContext;
+struct DropData;
+struct FaviconURL;
+struct FileChooserParams;
+struct RenderViewImplParams;
+
+#if defined(OS_ANDROID)
+class RendererMediaPlayerManager;
+class WebMediaPlayerProxyAndroid;
+#endif
+
+// We need to prevent a page from trying to create infinite popups. It is not
+// as simple as keeping a count of the number of immediate children
+// popups. Having an html file that window.open()s itself would create
+// an unlimited chain of RenderViews who only have one RenderView child.
+//
+// Therefore, each new top level RenderView creates a new counter and shares it
+// with all its children and grandchildren popup RenderViewImpls created with
+// createView() to have a sort of global limit for the page so no more than
+// kMaximumNumberOfPopups popups are created.
+//
+// This is a RefCounted holder of an int because I can't say
+// scoped_refptr<int>.
+typedef base::RefCountedData<int> SharedRenderViewCounter;
+
+//
+// RenderView is an object that manages a WebView object, and provides a
+// communication interface with an embedding application process
+//
+class CONTENT_EXPORT RenderViewImpl
+    : public RenderWidget,
+      NON_EXPORTED_BASE(public WebKit::WebViewClient),
+      NON_EXPORTED_BASE(public WebKit::WebFrameClient),
+      NON_EXPORTED_BASE(public WebKit::WebPageSerializerClient),
+      public RenderView,
+      NON_EXPORTED_BASE(public WebMediaPlayerDelegate),
+      public base::SupportsWeakPtr<RenderViewImpl> {
+ public:
+  // Creates a new RenderView. If this is a blocked popup or as a new tab,
+  // opener_id is the routing ID of the RenderView responsible for creating this
+  // RenderView. |counter| is either a currently initialized counter, or NULL
+  // (in which case we treat this RenderView as a top level window).
+  static RenderViewImpl* Create(
+      int32 opener_id,
+      const RendererPreferences& renderer_prefs,
+      const WebPreferences& webkit_prefs,
+      SharedRenderViewCounter* counter,
+      int32 routing_id,
+      int32 main_frame_routing_id,
+      int32 surface_id,
+      int64 session_storage_namespace_id,
+      const string16& frame_name,
+      bool is_renderer_created,
+      bool swapped_out,
+      int32 next_page_id,
+      const WebKit::WebScreenInfo& screen_info,
+      AccessibilityMode accessibility_mode,
+      bool allow_partial_swap);
+
+  // Used by content_layouttest_support to hook into the creation of
+  // RenderViewImpls.
+  static void InstallCreateHook(
+      RenderViewImpl* (*create_render_view_impl)(RenderViewImplParams*));
+
+  // Returns the RenderViewImpl containing the given WebView.
+  static RenderViewImpl* FromWebView(WebKit::WebView* webview);
+
+  // Returns the RenderViewImpl for the given routing ID.
+  static RenderViewImpl* FromRoutingID(int routing_id);
+
+  // May return NULL when the view is closing.
+  WebKit::WebView* webview() const;
+
+  int history_list_offset() const { return history_list_offset_; }
+
+  const WebPreferences& webkit_preferences() const {
+    return webkit_preferences_;
+  }
+
+  void set_send_content_state_immediately(bool value) {
+    send_content_state_immediately_ = value;
+  }
+
+  MediaStreamDispatcher* media_stream_dispatcher() {
+    return media_stream_dispatcher_;
+  }
+
+  MouseLockDispatcher* mouse_lock_dispatcher() {
+    return mouse_lock_dispatcher_;
+  }
+
+  RendererWebCookieJarImpl* cookie_jar() { return &cookie_jar_; }
+
+#if defined(OS_ANDROID)
+  RendererMediaPlayerManager* media_player_manager() {
+    return media_player_manager_.get();
+  }
+#endif
+
+  // Lazily initialize this view's BrowserPluginManager and return it.
+  BrowserPluginManager* GetBrowserPluginManager();
+
+  // Functions to add and remove observers for this object.
+  void AddObserver(RenderViewObserver* observer);
+  void RemoveObserver(RenderViewObserver* observer);
+
+  // Returns the StatsCollectionObserver associated with this view, or NULL
+  // if one wasn't created;
+  StatsCollectionObserver* GetStatsCollectionObserver() {
+    return stats_collection_observer_.get();
+  }
+
+  // Adds the given file chooser request to the file_chooser_completion_ queue
+  // (see that var for more) and requests the chooser be displayed if there are
+  // no other waiting items in the queue.
+  //
+  // Returns true if the chooser was successfully scheduled. False means we
+  // didn't schedule anything.
+  bool ScheduleFileChooser(const FileChooserParams& params,
+                           WebKit::WebFileChooserCompletion* completion);
+
+  void LoadNavigationErrorPage(
+      WebKit::WebFrame* frame,
+      const WebKit::WebURLRequest& failed_request,
+      const WebKit::WebURLError& error,
+      const std::string& html,
+      bool replace);
+
+  // Plugin-related functions --------------------------------------------------
+
+#if defined(ENABLE_PLUGINS)
+  // Indicates that the given instance has been created.
+  void PepperInstanceCreated(PepperPluginInstanceImpl* instance);
+
+  // Indicates that the given instance is being destroyed. This is called from
+  // the destructor, so it's important that the instance is not dereferenced
+  // from this call.
+  void PepperInstanceDeleted(PepperPluginInstanceImpl* instance);
+
+  // Notifies that |instance| has changed the cursor.
+  // This will update the cursor appearance if it is currently over the plugin
+  // instance.
+  void PepperDidChangeCursor(PepperPluginInstanceImpl* instance,
+                             const WebKit::WebCursorInfo& cursor);
+
+  // Notifies that |instance| has received a mouse event.
+  void PepperDidReceiveMouseEvent(PepperPluginInstanceImpl* instance);
+
+  // Notification that the given plugin is focused or unfocused.
+  void PepperFocusChanged(PepperPluginInstanceImpl* instance, bool focused);
+
+  // Informs the render view that a PPAPI plugin has changed text input status.
+  void PepperTextInputTypeChanged(PepperPluginInstanceImpl* instance);
+  void PepperCaretPositionChanged(PepperPluginInstanceImpl* instance);
+
+  // Cancels current composition.
+  void PepperCancelComposition(PepperPluginInstanceImpl* instance);
+
+  // Informs the render view that a PPAPI plugin has changed selection.
+  void PepperSelectionChanged(PepperPluginInstanceImpl* instance);
+
+  // Creates a fullscreen container for a pepper plugin instance.
+  RenderWidgetFullscreenPepper* CreatePepperFullscreenContainer(
+      PepperPluginInstanceImpl* plugin);
+
+  // Notification that a PPAPI plugin has been created.
+  void PepperPluginCreated(RendererPpapiHost* host);
+
+  // Retrieves the current caret position if a PPAPI plugin has focus.
+  bool GetPepperCaretBounds(gfx::Rect* rect);
+
+  bool IsPepperAcceptingCompositionEvents() const;
+
+  // Notification that the given plugin has crashed.
+  void PluginCrashed(const base::FilePath& plugin_path,
+                     base::ProcessId plugin_pid);
+
+  // Simulates IME events for testing purpose.
+  void SimulateImeSetComposition(
+      const string16& text,
+      const std::vector<WebKit::WebCompositionUnderline>& underlines,
+      int selection_start,
+      int selection_end);
+  void SimulateImeConfirmComposition(const string16& text,
+                                     const ui::Range& replacement_range);
+
+#if defined(OS_MACOSX) || defined(OS_WIN)
+  // Informs the render view that the given plugin has gained or lost focus.
+  void PluginFocusChanged(bool focused, int plugin_id);
+#endif
+
+#if defined(OS_MACOSX)
+  // Starts plugin IME.
+  void StartPluginIme();
+#endif
+
+  void RegisterPluginDelegate(WebPluginDelegateProxy* delegate);
+  void UnregisterPluginDelegate(WebPluginDelegateProxy* delegate);
+
+  // Helper function to retrieve information about a plugin for a URL and mime
+  // type. Returns false if no plugin was found.
+  // |actual_mime_type| is the actual mime type supported by the
+  // plugin found that match the URL given (one for each item in
+  // |info|).
+  bool GetPluginInfo(const GURL& url,
+                     const GURL& page_url,
+                     const std::string& mime_type,
+                     WebPluginInfo* plugin_info,
+                     std::string* actual_mime_type);
+
+#endif  // ENABLE_PLUGINS
+
+  void TransferActiveWheelFlingAnimation(
+      const WebKit::WebActiveWheelFlingParameters& params);
+
+  // Returns true if the focused element is editable text from the perspective
+  // of IME support (also used for on-screen keyboard). Works correctly inside
+  // supported PPAPI plug-ins.
+  bool HasIMETextFocus();
+
+  // Callback for use with GetWindowSnapshot.
+  typedef base::Callback<void(
+      const gfx::Size&, const std::vector<unsigned char>&)>
+      WindowSnapshotCallback;
+
+  void GetWindowSnapshot(const WindowSnapshotCallback& callback);
+
+  // Dispatches the current navigation state to the browser. Called on a
+  // periodic timer so we don't send too many messages.
+  void SyncNavigationState();
+
+  // Returns the length of the session history of this RenderView. Note that
+  // this only coincides with the actual length of the session history if this
+  // RenderView is the currently active RenderView of a WebContents.
+  unsigned GetLocalSessionHistoryLengthForTesting() const;
+
+  // Invokes OnSetFocus and marks the widget as active depending on the value
+  // of |enable|. This is used for layout tests that need to control the focus
+  // synchronously from the renderer.
+  void SetFocusAndActivateForTesting(bool enable);
+
+  // Change the device scale factor and force the compositor to resize.
+  void SetDeviceScaleFactorForTesting(float factor);
+
+  // Control autoresize mode.
+  void EnableAutoResizeForTesting(const gfx::Size& min_size,
+                                  const gfx::Size& max_size);
+  void DisableAutoResizeForTesting(const gfx::Size& new_size);
+
+  // Overrides the MediaStreamClient used when creating MediaStream players.
+  // Must be called before any players are created.
+  void SetMediaStreamClientForTesting(MediaStreamClient* media_stream_client);
+
+  // IPC::Listener implementation ----------------------------------------------
+
+  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
+
+  // WebKit::WebWidgetClient implementation ------------------------------------
+
+  // Most methods are handled by RenderWidget.
+  virtual void didFocus();
+  virtual void didBlur();
+  virtual void show(WebKit::WebNavigationPolicy policy);
+  virtual void runModal();
+  virtual bool enterFullScreen();
+  virtual void exitFullScreen();
+  virtual bool requestPointerLock();
+  virtual void requestPointerUnlock();
+  virtual bool isPointerLocked();
+  virtual void didActivateCompositor(int input_handler_identifier);
+  virtual void didHandleGestureEvent(const WebKit::WebGestureEvent& event,
+                                     bool event_cancelled) OVERRIDE;
+  virtual void initializeLayerTreeView() OVERRIDE;
+
+  // WebKit::WebViewClient implementation --------------------------------------
+
+  virtual WebKit::WebView* createView(
+      WebKit::WebFrame* creator,
+      const WebKit::WebURLRequest& request,
+      const WebKit::WebWindowFeatures& features,
+      const WebKit::WebString& frame_name,
+      WebKit::WebNavigationPolicy policy);
+  virtual WebKit::WebWidget* createPopupMenu(WebKit::WebPopupType popup_type);
+  virtual WebKit::WebExternalPopupMenu* createExternalPopupMenu(
+      const WebKit::WebPopupMenuInfo& popup_menu_info,
+      WebKit::WebExternalPopupMenuClient* popup_menu_client);
+  virtual WebKit::WebStorageNamespace* createSessionStorageNamespace();
+  virtual void didAddMessageToConsole(
+      const WebKit::WebConsoleMessage& message,
+      const WebKit::WebString& source_name,
+      unsigned source_line);
+  virtual void printPage(WebKit::WebFrame* frame);
+  virtual WebKit::WebNotificationPresenter* notificationPresenter();
+  virtual bool enumerateChosenDirectory(
+      const WebKit::WebString& path,
+      WebKit::WebFileChooserCompletion* chooser_completion);
+  virtual void initializeHelperPluginWebFrame(WebKit::WebHelperPlugin*);
+  virtual void didStartLoading();
+  virtual void didStopLoading();
+  virtual void didChangeLoadProgress(WebKit::WebFrame* frame,
+                                     double load_progress);
+  virtual void didCancelCompositionOnSelectionChange();
+  virtual void didChangeSelection(bool is_selection_empty);
+  virtual void didExecuteCommand(const WebKit::WebString& command_name);
+  virtual bool handleCurrentKeyboardEvent();
+  virtual WebKit::WebColorChooser* createColorChooser(
+      WebKit::WebColorChooserClient*, const WebKit::WebColor& initial_color);
+  virtual bool runFileChooser(
+      const WebKit::WebFileChooserParams& params,
+      WebKit::WebFileChooserCompletion* chooser_completion);
+  virtual void runModalAlertDialog(WebKit::WebFrame* frame,
+                                   const WebKit::WebString& message);
+  virtual bool runModalConfirmDialog(WebKit::WebFrame* frame,
+                                     const WebKit::WebString& message);
+  virtual bool runModalPromptDialog(WebKit::WebFrame* frame,
+                                    const WebKit::WebString& message,
+                                    const WebKit::WebString& default_value,
+                                    WebKit::WebString* actual_value);
+  virtual bool runModalBeforeUnloadDialog(WebKit::WebFrame* frame,
+                                          bool is_reload,
+                                          const WebKit::WebString& message);
+  // DEPRECATED
+  virtual bool runModalBeforeUnloadDialog(WebKit::WebFrame* frame,
+                                          const WebKit::WebString& message);
+  virtual void showContextMenu(WebKit::WebFrame* frame,
+                               const WebKit::WebContextMenuData& data);
+  virtual void clearContextMenu();
+  virtual void setStatusText(const WebKit::WebString& text);
+  virtual void setMouseOverURL(const WebKit::WebURL& url);
+  virtual void setKeyboardFocusURL(const WebKit::WebURL& url);
+  virtual void startDragging(WebKit::WebFrame* frame,
+                             const WebKit::WebDragData& data,
+                             WebKit::WebDragOperationsMask mask,
+                             const WebKit::WebImage& image,
+                             const WebKit::WebPoint& imageOffset);
+  virtual bool acceptsLoadDrops();
+  virtual void focusNext();
+  virtual void focusPrevious();
+  virtual void focusedNodeChanged(const WebKit::WebNode& node);
+  virtual void numberOfWheelEventHandlersChanged(unsigned num_handlers);
+  virtual void didUpdateLayout();
+#if defined(OS_ANDROID)
+  virtual bool didTapMultipleTargets(
+      const WebKit::WebGestureEvent& event,
+      const WebKit::WebVector<WebKit::WebRect>& target_rects);
+#endif
+  virtual void navigateBackForwardSoon(int offset);
+  virtual int historyBackListCount();
+  virtual int historyForwardListCount();
+  virtual void postAccessibilityNotification(
+      const WebKit::WebAccessibilityObject& obj,
+      WebKit::WebAccessibilityNotification notification);
+  virtual void didUpdateInspectorSetting(const WebKit::WebString& key,
+                                         const WebKit::WebString& value);
+  virtual WebKit::WebGeolocationClient* geolocationClient();
+  virtual WebKit::WebSpeechInputController* speechInputController(
+      WebKit::WebSpeechInputListener* listener);
+  virtual WebKit::WebSpeechRecognizer* speechRecognizer();
+  virtual WebKit::WebDeviceOrientationClient* deviceOrientationClient();
+  virtual void zoomLimitsChanged(double minimum_level, double maximum_level);
+  virtual void zoomLevelChanged();
+  virtual double zoomLevelToZoomFactor(double zoom_level) const;
+  virtual double zoomFactorToZoomLevel(double factor) const;
+  virtual void registerProtocolHandler(const WebKit::WebString& scheme,
+                                       const WebKit::WebString& base_url,
+                                       const WebKit::WebString& url,
+                                       const WebKit::WebString& title);
+  virtual WebKit::WebPageVisibilityState visibilityState() const;
+  virtual WebKit::WebUserMediaClient* userMediaClient();
+  virtual WebKit::WebMIDIClient* webMIDIClient();
+  virtual void draggableRegionsChanged();
+
+#if defined(OS_ANDROID)
+  virtual void scheduleContentIntent(const WebKit::WebURL& intent);
+  virtual void cancelScheduledContentIntents();
+  virtual WebKit::WebContentDetectionResult detectContentAround(
+      const WebKit::WebHitTestResult& touch_hit);
+
+  // Only used on Android since all other platforms implement
+  // date and time input fields using MULTIPLE_FIELDS_UI
+  virtual bool openDateTimeChooser(const WebKit::WebDateTimeChooserParams&,
+                                   WebKit::WebDateTimeChooserCompletion*);
+  virtual void didScrollWithKeyboard(const WebKit::WebSize& delta);
+#endif
+
+  // WebKit::WebFrameClient implementation -------------------------------------
+
+  virtual WebKit::WebPlugin* createPlugin(
+      WebKit::WebFrame* frame,
+      const WebKit::WebPluginParams& params);
+  virtual WebKit::WebSharedWorker* createSharedWorker(
+      WebKit::WebFrame* frame, const WebKit::WebURL& url,
+      const WebKit::WebString& name, unsigned long long documentId);
+  virtual WebKit::WebMediaPlayer* createMediaPlayer(
+      WebKit::WebFrame* frame,
+      const WebKit::WebURL& url,
+      WebKit::WebMediaPlayerClient* client);
+  virtual WebKit::WebApplicationCacheHost* createApplicationCacheHost(
+      WebKit::WebFrame* frame,
+      WebKit::WebApplicationCacheHostClient* client);
+  virtual WebKit::WebCookieJar* cookieJar(WebKit::WebFrame* frame);
+  virtual void didAccessInitialDocument(WebKit::WebFrame* frame);
+  virtual void didCreateFrame(WebKit::WebFrame* parent,
+                              WebKit::WebFrame* child);
+  virtual void didDisownOpener(WebKit::WebFrame* frame);
+  virtual void frameDetached(WebKit::WebFrame* frame);
+  virtual void willClose(WebKit::WebFrame* frame);
+  virtual void didChangeName(WebKit::WebFrame* frame,
+                             const WebKit::WebString& name);
+  virtual void loadURLExternally(WebKit::WebFrame* frame,
+                                 const WebKit::WebURLRequest& request,
+                                 WebKit::WebNavigationPolicy policy);
+  virtual void loadURLExternally(WebKit::WebFrame* frame,
+                                 const WebKit::WebURLRequest& request,
+                                 WebKit::WebNavigationPolicy policy,
+                                 const WebKit::WebString& suggested_name);
+
+  // The WebDataSource::ExtraData* is assumed to be a DocumentState* subclass.
+  virtual WebKit::WebNavigationPolicy decidePolicyForNavigation(
+      WebKit::WebFrame* frame,
+      WebKit::WebDataSource::ExtraData* extraData,
+      const WebKit::WebURLRequest& request,
+      WebKit::WebNavigationType type,
+      WebKit::WebNavigationPolicy default_policy,
+      bool is_redirect);
+  // DEPRECATED.
+  virtual WebKit::WebNavigationPolicy decidePolicyForNavigation(
+      WebKit::WebFrame* frame,
+      const WebKit::WebURLRequest& request,
+      WebKit::WebNavigationType type,
+      WebKit::WebNavigationPolicy default_policy,
+      bool is_redirect);
+  virtual void willSendSubmitEvent(WebKit::WebFrame* frame,
+                                   const WebKit::WebFormElement& form);
+  virtual void willSubmitForm(WebKit::WebFrame* frame,
+                              const WebKit::WebFormElement& form);
+  virtual void didCreateDataSource(WebKit::WebFrame* frame,
+                                   WebKit::WebDataSource* datasource);
+  virtual void didStartProvisionalLoad(WebKit::WebFrame* frame);
+  virtual void didReceiveServerRedirectForProvisionalLoad(
+      WebKit::WebFrame* frame);
+  virtual void didFailProvisionalLoad(WebKit::WebFrame* frame,
+                                      const WebKit::WebURLError& error);
+  virtual void didCommitProvisionalLoad(WebKit::WebFrame* frame,
+                                        bool is_new_navigation);
+  virtual void didClearWindowObject(WebKit::WebFrame* frame);
+  virtual void didCreateDocumentElement(WebKit::WebFrame* frame);
+  virtual void didReceiveTitle(WebKit::WebFrame* frame,
+                               const WebKit::WebString& title,
+                               WebKit::WebTextDirection direction);
+  virtual void didChangeIcon(WebKit::WebFrame*,
+                             WebKit::WebIconURL::Type);
+  virtual void didFinishDocumentLoad(WebKit::WebFrame* frame);
+  virtual void didHandleOnloadEvents(WebKit::WebFrame* frame);
+  virtual void didFailLoad(WebKit::WebFrame* frame,
+                           const WebKit::WebURLError& error);
+  virtual void didFinishLoad(WebKit::WebFrame* frame);
+  virtual void didNavigateWithinPage(WebKit::WebFrame* frame,
+                                     bool is_new_navigation);
+  virtual void didUpdateCurrentHistoryItem(WebKit::WebFrame* frame);
+  virtual void willSendRequest(WebKit::WebFrame* frame,
+                               unsigned identifier,
+                               WebKit::WebURLRequest& request,
+                               const WebKit::WebURLResponse& redirect_response);
+  virtual void didReceiveResponse(WebKit::WebFrame* frame,
+                                  unsigned identifier,
+                                  const WebKit::WebURLResponse& response);
+  virtual void didFinishResourceLoad(WebKit::WebFrame* frame,
+                                     unsigned identifier);
+  virtual void didLoadResourceFromMemoryCache(
+      WebKit::WebFrame* frame,
+      const WebKit::WebURLRequest& request,
+      const WebKit::WebURLResponse&);
+  virtual void didDisplayInsecureContent(WebKit::WebFrame* frame);
+  virtual void didRunInsecureContent(
+      WebKit::WebFrame* frame,
+      const WebKit::WebSecurityOrigin& origin,
+      const WebKit::WebURL& target);
+  virtual void didExhaustMemoryAvailableForScript(WebKit::WebFrame* frame);
+  virtual void didCreateScriptContext(WebKit::WebFrame* frame,
+                                      v8::Handle<v8::Context>,
+                                      int extension_group,
+                                      int world_id);
+  virtual void willReleaseScriptContext(WebKit::WebFrame* frame,
+                                        v8::Handle<v8::Context>,
+                                        int world_id);
+  virtual void didChangeScrollOffset(WebKit::WebFrame* frame);
+  virtual void willInsertBody(WebKit::WebFrame* frame);
+  virtual void didFirstVisuallyNonEmptyLayout(WebKit::WebFrame*);
+  virtual void didChangeContentsSize(WebKit::WebFrame* frame,
+                                     const WebKit::WebSize& size);
+  virtual void reportFindInPageMatchCount(int request_id,
+                                          int count,
+                                          bool final_update);
+  virtual void reportFindInPageSelection(int request_id,
+                                         int active_match_ordinal,
+                                         const WebKit::WebRect& sel);
+  virtual void openFileSystem(WebKit::WebFrame* frame,
+                              WebKit::WebFileSystemType type,
+                              long long size,
+                              bool create,
+                              WebKit::WebFileSystemCallbacks* callbacks);
+  virtual void deleteFileSystem(WebKit::WebFrame* frame,
+                                WebKit::WebFileSystemType type,
+                                WebKit::WebFileSystemCallbacks* callbacks);
+  virtual void requestStorageQuota(
+      WebKit::WebFrame* frame,
+      WebKit::WebStorageQuotaType type,
+      unsigned long long requested_size,
+      WebKit::WebStorageQuotaCallbacks* callbacks);
+  virtual void willOpenSocketStream(
+      WebKit::WebSocketStreamHandle* handle);
+  virtual void willStartUsingPeerConnectionHandler(WebKit::WebFrame* frame,
+      WebKit::WebRTCPeerConnectionHandler* handler);
+  virtual bool willCheckAndDispatchMessageEvent(
+      WebKit::WebFrame* sourceFrame,
+      WebKit::WebFrame* targetFrame,
+      WebKit::WebSecurityOrigin targetOrigin,
+      WebKit::WebDOMMessageEvent event);
+  virtual WebKit::WebString acceptLanguages();
+  virtual WebKit::WebString userAgentOverride(
+      WebKit::WebFrame* frame,
+      const WebKit::WebURL& url);
+  virtual WebKit::WebString doNotTrackValue(WebKit::WebFrame* frame);
+  virtual bool allowWebGL(WebKit::WebFrame* frame, bool default_value);
+  virtual void didLoseWebGLContext(
+      WebKit::WebFrame* frame,
+      int arb_robustness_status_code);
+
+  // WebKit::WebPageSerializerClient implementation ----------------------------
+
+  virtual void didSerializeDataForFrame(
+      const WebKit::WebURL& frame_url,
+      const WebKit::WebCString& data,
+      PageSerializationStatus status) OVERRIDE;
+
+  // RenderView implementation -------------------------------------------------
+
+  virtual bool Send(IPC::Message* message) OVERRIDE;
+  virtual int GetRoutingID() const OVERRIDE;
+  virtual int GetPageId() const OVERRIDE;
+  virtual gfx::Size GetSize() const OVERRIDE;
+  virtual WebPreferences& GetWebkitPreferences() OVERRIDE;
+  virtual void SetWebkitPreferences(const WebPreferences& preferences) OVERRIDE;
+  virtual WebKit::WebView* GetWebView() OVERRIDE;
+  virtual WebKit::WebNode GetFocusedNode() const OVERRIDE;
+  virtual WebKit::WebNode GetContextMenuNode() const OVERRIDE;
+  virtual bool IsEditableNode(const WebKit::WebNode& node) const OVERRIDE;
+  virtual WebKit::WebPlugin* CreatePlugin(
+      WebKit::WebFrame* frame,
+      const WebPluginInfo& info,
+      const WebKit::WebPluginParams& params) OVERRIDE;
+  virtual void EvaluateScript(const string16& frame_xpath,
+                              const string16& jscript,
+                              int id,
+                              bool notify_result) OVERRIDE;
+  virtual bool ShouldDisplayScrollbars(int width, int height) const OVERRIDE;
+  virtual int GetEnabledBindings() const OVERRIDE;
+  virtual bool GetContentStateImmediately() const OVERRIDE;
+  virtual float GetFilteredTimePerFrame() const OVERRIDE;
+  virtual int ShowContextMenu(ContextMenuClient* client,
+                              const ContextMenuParams& params) OVERRIDE;
+  virtual void CancelContextMenu(int request_id) OVERRIDE;
+  virtual WebKit::WebPageVisibilityState GetVisibilityState() const OVERRIDE;
+  virtual void RunModalAlertDialog(WebKit::WebFrame* frame,
+                                   const WebKit::WebString& message) OVERRIDE;
+  virtual void LoadURLExternally(
+      WebKit::WebFrame* frame,
+      const WebKit::WebURLRequest& request,
+      WebKit::WebNavigationPolicy policy) OVERRIDE;
+  virtual void DidStartLoading() OVERRIDE;
+  virtual void DidStopLoading() OVERRIDE;
+  virtual void Repaint(const gfx::Size& size) OVERRIDE;
+  virtual void SetEditCommandForNextKeyEvent(const std::string& name,
+                                             const std::string& value) OVERRIDE;
+  virtual void ClearEditCommands() OVERRIDE;
+  virtual SSLStatus GetSSLStatusOfFrame(WebKit::WebFrame* frame) const OVERRIDE;
+#if defined(OS_ANDROID)
+  virtual void UpdateTopControlsState(TopControlsState constraints,
+                                      TopControlsState current,
+                                      bool animate) OVERRIDE;
+#endif
+
+  // WebMediaPlayerDelegate implementation -----------------------
+
+  virtual void DidPlay(WebKit::WebMediaPlayer* player) OVERRIDE;
+  virtual void DidPause(WebKit::WebMediaPlayer* player) OVERRIDE;
+  virtual void PlayerGone(WebKit::WebMediaPlayer* player) OVERRIDE;
+
+  // Please do not add your stuff randomly to the end here. If there is an
+  // appropriate section, add it there. If not, there are some random functions
+  // nearer to the top you can add it to.
+
+  // Cannot use std::set unfortunately since linked_ptr<> does not support
+  // operator<.
+  typedef std::vector<linked_ptr<ImageResourceFetcher> >
+      ImageResourceFetcherList;
+
+ protected:
+  // RenderWidget overrides:
+  virtual void Close() OVERRIDE;
+  virtual void OnResize(const ViewMsg_Resize_Params& params) OVERRIDE;
+  virtual void WillInitiatePaint() OVERRIDE;
+  virtual void DidInitiatePaint() OVERRIDE;
+  virtual void DidFlushPaint() OVERRIDE;
+  virtual PepperPluginInstanceImpl* GetBitmapForOptimizedPluginPaint(
+      const gfx::Rect& paint_bounds,
+      TransportDIB** dib,
+      gfx::Rect* location,
+      gfx::Rect* clip,
+      float* scale_factor) OVERRIDE;
+  virtual gfx::Vector2d GetScrollOffset() OVERRIDE;
+  virtual void DidHandleKeyEvent() OVERRIDE;
+  virtual bool WillHandleMouseEvent(
+      const WebKit::WebMouseEvent& event) OVERRIDE;
+  virtual bool WillHandleKeyEvent(
+      const WebKit::WebKeyboardEvent& event) OVERRIDE;
+  virtual bool WillHandleGestureEvent(
+      const WebKit::WebGestureEvent& event) OVERRIDE;
+  virtual void DidHandleMouseEvent(const WebKit::WebMouseEvent& event) OVERRIDE;
+  virtual void DidHandleTouchEvent(const WebKit::WebTouchEvent& event) OVERRIDE;
+  virtual bool HasTouchEventHandlersAt(const gfx::Point& point) const OVERRIDE;
+  virtual void OnSetFocus(bool enable) OVERRIDE;
+  virtual void OnWasHidden() OVERRIDE;
+  virtual void OnWasShown(bool needs_repainting) OVERRIDE;
+  virtual GURL GetURLForGraphicsContext3D() OVERRIDE;
+  virtual bool ForceCompositingModeEnabled() OVERRIDE;
+  virtual void OnImeSetComposition(
+      const string16& text,
+      const std::vector<WebKit::WebCompositionUnderline>& underlines,
+      int selection_start,
+      int selection_end) OVERRIDE;
+  virtual void OnImeConfirmComposition(const string16& text,
+                                       const ui::Range& replacement_range,
+                                       bool keep_selection) OVERRIDE;
+  virtual void SetDeviceScaleFactor(float device_scale_factor) OVERRIDE;
+  virtual ui::TextInputType GetTextInputType() OVERRIDE;
+  virtual void GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) OVERRIDE;
+#if defined(OS_MACOSX) || defined(OS_WIN) || defined(USE_AURA)
+  virtual void GetCompositionCharacterBounds(
+      std::vector<gfx::Rect>* character_bounds) OVERRIDE;
+  virtual void GetCompositionRange(ui::Range* range) OVERRIDE;
+#endif
+  virtual bool CanComposeInline() OVERRIDE;
+  virtual void DidCommitCompositorFrame() OVERRIDE;
+  virtual void InstrumentWillBeginFrame() OVERRIDE;
+  virtual void InstrumentDidBeginFrame() OVERRIDE;
+  virtual void InstrumentDidCancelFrame() OVERRIDE;
+  virtual void InstrumentWillComposite() OVERRIDE;
+  virtual bool AllowPartialSwap() const OVERRIDE;
+
+ protected:
+  explicit RenderViewImpl(RenderViewImplParams* params);
+
+  void Initialize(RenderViewImplParams* params);
+
+  // Do not delete directly.  This class is reference counted.
+  virtual ~RenderViewImpl();
+
+ private:
+  // For unit tests.
+  friend class ExternalPopupMenuTest;
+  friend class PepperDeviceTest;
+  friend class RendererAccessibilityTest;
+  friend class RenderViewTest;
+
+  // TODO(nasko): Temporarily friend RenderFrameImpl, so we don't duplicate
+  // utility functions needed in both classes, while we move frame specific
+  // code away from this class.
+  friend class RenderFrameImpl;
+
+  FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuRemoveTest, RemoveOnChange);
+  FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuTest, NormalCase);
+  FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuTest, ShowPopupThenNavigate);
+  FRIEND_TEST_ALL_PREFIXES(RendererAccessibilityTest,
+                           AccessibilityMessagesQueueWhileSwappedOut);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, DecideNavigationPolicyForWebUI);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
+                           DidFailProvisionalLoadWithErrorForError);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
+                           DidFailProvisionalLoadWithErrorForCancellation);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
+                           DontIgnoreBackAfterNavEntryLimit);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, ImeComposition);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, InsertCharacters);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, JSBlockSentAfterPageLoad);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, LastCommittedUpdateState);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnExtendSelectionAndDelete);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnHandleKeyboardEvent);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnImeTypeChanged);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnNavStateChanged);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnSetTextDirection);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnUpdateWebPreferences);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, SendSwapOutACK);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, ReloadWhileSwappedOut);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
+                           SetEditableSelectionAndComposition);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, StaleNavigationsIgnored);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, UpdateTargetURLWithInvalidURL);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
+                           GetCompositionCharacterBoundsTest);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnNavigationHttpPost);
+#if defined(OS_MACOSX)
+  FRIEND_TEST_ALL_PREFIXES(RenderViewTest, MacTestCmdUp);
+#endif
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, SetHistoryLengthAndPrune);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, ZoomLimit);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, NavigateFrame);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
+                           ShouldUpdateSelectionTextFromContextMenuParams);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, BasicRenderFrame);
+  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, TextInputTypeWithPepper);
+
+  typedef std::map<GURL, double> HostZoomLevels;
+
+  enum ErrorPageType {
+    DNS_ERROR,
+    HTTP_404,
+    CONNECTION_ERROR,
+  };
+
+  static WebKit::WebReferrerPolicy GetReferrerPolicyFromRequest(
+      WebKit::WebFrame* frame,
+      const WebKit::WebURLRequest& request);
+
+  static Referrer GetReferrerFromRequest(
+      WebKit::WebFrame* frame,
+      const WebKit::WebURLRequest& request);
+
+  static webkit_glue::WebURLResponseExtraDataImpl* GetExtraDataFromResponse(
+      const WebKit::WebURLResponse& response);
+
+  void UpdateURL(WebKit::WebFrame* frame);
+  void UpdateTitle(WebKit::WebFrame* frame, const string16& title,
+                   WebKit::WebTextDirection title_direction);
+  void UpdateSessionHistory(WebKit::WebFrame* frame);
+  void SendUpdateState(const WebKit::WebHistoryItem& item);
+
+  // Update current main frame's encoding and send it to browser window.
+  // Since we want to let users see the right encoding info from menu
+  // before finishing loading, we call the UpdateEncoding in
+  // a) function:DidCommitLoadForFrame. When this function is called,
+  // that means we have got first data. In here we try to get encoding
+  // of page if it has been specified in http header.
+  // b) function:DidReceiveTitle. When this function is called,
+  // that means we have got specified title. Because in most of webpages,
+  // title tags will follow meta tags. In here we try to get encoding of
+  // page if it has been specified in meta tag.
+  // c) function:DidFinishDocumentLoadForFrame. When this function is
+  // called, that means we have got whole html page. In here we should
+  // finally get right encoding of page.
+  void UpdateEncoding(WebKit::WebFrame* frame,
+                      const std::string& encoding_name);
+
+  void OpenURL(WebKit::WebFrame* frame,
+               const GURL& url,
+               const Referrer& referrer,
+               WebKit::WebNavigationPolicy policy);
+
+  bool RunJavaScriptMessage(JavaScriptMessageType type,
+                            const string16& message,
+                            const string16& default_value,
+                            const GURL& frame_url,
+                            string16* result);
+
+  // Sends a message and runs a nested message loop.
+  bool SendAndRunNestedMessageLoop(IPC::SyncMessage* message);
+
+  // Called when the "pinned to left/right edge" state needs to be updated.
+  void UpdateScrollState(WebKit::WebFrame* frame);
+
+  // IPC message handlers ------------------------------------------------------
+  //
+  // The documentation for these functions should be in
+  // content/common/*_messages.h for the message that the function is handling.
+
+  void OnCopy();
+  void OnCut();
+  void OnDelete();
+  void OnExecuteEditCommand(const std::string& name, const std::string& value);
+  void OnMoveCaret(const gfx::Point& point);
+  void OnPaste();
+  void OnPasteAndMatchStyle();
+  void OnRedo();
+  void OnReplace(const string16& text);
+  void OnReplaceMisspelling(const string16& text);
+  void OnScrollFocusedEditableNodeIntoRect(const gfx::Rect& rect);
+  void OnSelectAll();
+  void OnSelectRange(const gfx::Point& start, const gfx::Point& end);
+  void OnSetEditCommandsForNextKeyEvent(const EditCommands& edit_commands);
+  void OnUndo();
+  void OnUnselect();
+
+  void OnAllowBindings(int enabled_bindings_flags);
+  void OnAllowScriptToClose(bool script_can_close);
+  void OnCancelDownload(int32 download_id);
+  void OnClearFocusedNode();
+  void OnClosePage();
+  void OnContextMenuClosed(const CustomContextMenuContext& custom_context);
+  void OnShowContextMenu(const gfx::Point& location);
+  void OnCopyImageAt(int x, int y);
+  void OnCSSInsertRequest(const string16& frame_xpath,
+                          const std::string& css);
+  void OnCustomContextMenuAction(const CustomContextMenuContext& custom_context,
+      unsigned action);
+  void OnSetName(const std::string& name);
+  void OnDeterminePageLanguage();
+  void OnDisableScrollbarsForSmallWindows(
+      const gfx::Size& disable_scrollbars_size_limit);
+  void OnDisassociateFromPopupCount();
+  void OnDragSourceEndedOrMoved(const gfx::Point& client_point,
+                                const gfx::Point& screen_point,
+                                bool ended,
+                                WebKit::WebDragOperation drag_operation);
+  void OnDragSourceSystemDragEnded();
+  void OnDragTargetDrop(const gfx::Point& client_pt,
+                        const gfx::Point& screen_pt,
+                        int key_modifiers);
+  void OnDragTargetDragEnter(const DropData& drop_data,
+                             const gfx::Point& client_pt,
+                             const gfx::Point& screen_pt,
+                             WebKit::WebDragOperationsMask operations_allowed,
+                             int key_modifiers);
+  void OnDragTargetDragLeave();
+  void OnDragTargetDragOver(const gfx::Point& client_pt,
+                            const gfx::Point& screen_pt,
+                            WebKit::WebDragOperationsMask operations_allowed,
+                            int key_modifiers);
+  void OnEnablePreferredSizeChangedMode();
+  void OnEnableAutoResize(const gfx::Size& min_size, const gfx::Size& max_size);
+  void OnDisableAutoResize(const gfx::Size& new_size);
+  void OnEnumerateDirectoryResponse(int id,
+                                    const std::vector<base::FilePath>& paths);
+  void OnExtendSelectionAndDelete(int before, int after);
+  void OnFileChooserResponse(
+      const std::vector<ui::SelectedFileInfo>& files);
+  void OnFind(int request_id, const string16&, const WebKit::WebFindOptions&);
+  void OnGetAllSavableResourceLinksForCurrentPage(const GURL& page_url);
+  void OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
+      const std::vector<GURL>& links,
+      const std::vector<base::FilePath>& local_paths,
+      const base::FilePath& local_directory_name);
+  void OnMediaPlayerActionAt(const gfx::Point& location,
+                             const WebKit::WebMediaPlayerAction& action);
+
+  // Screen has rotated. 0 = default (portrait), 90 = one turn right, and so on.
+  void OnOrientationChangeEvent(int orientation);
+
+  void OnPluginActionAt(const gfx::Point& location,
+                        const WebKit::WebPluginAction& action);
+  void OnMoveOrResizeStarted();
+  void OnNavigate(const ViewMsg_Navigate_Params& params);
+  void OnPostMessageEvent(const ViewMsg_PostMessage_Params& params);
+  void OnReleaseDisambiguationPopupDIB(TransportDIB::Handle dib_handle);
+  void OnReloadFrame();
+  void OnResetPageEncodingToDefault();
+  void OnScriptEvalRequest(const string16& frame_xpath,
+                           const string16& jscript,
+                           int id,
+                           bool notify_result);
+  void OnSetAccessibilityMode(AccessibilityMode new_mode);
+  void OnSetActive(bool active);
+  void OnSetAltErrorPageURL(const GURL& gurl);
+  void OnSetBackground(const SkBitmap& background);
+  void OnSetCompositionFromExistingText(
+      int start, int end,
+      const std::vector<WebKit::WebCompositionUnderline>& underlines);
+  void OnExitFullscreen();
+  void OnSetEditableSelectionOffsets(int start, int end);
+  void OnSetHistoryLengthAndPrune(int history_length, int32 minimum_page_id);
+  void OnSetInitialFocus(bool reverse);
+  void OnSetPageEncoding(const std::string& encoding_name);
+  void OnSetRendererPrefs(const RendererPreferences& renderer_prefs);
+  void OnSetWebUIProperty(const std::string& name, const std::string& value);
+  void OnSetZoomLevel(double zoom_level);
+  void OnSetZoomLevelForLoadingURL(const GURL& url, double zoom_level);
+  void OnShouldClose();
+  void OnStop();
+  void OnStopFinding(StopFindAction action);
+  void OnSwapOut();
+  void OnThemeChanged();
+  void OnUpdateTargetURLAck();
+  void OnUpdateTimezone();
+  void OnUpdateWebPreferences(const WebPreferences& prefs);
+
+  void OnZoom(PageZoom zoom);
+  void OnZoomFactor(PageZoom zoom, int zoom_center_x, int zoom_center_y);
+
+  void OnEnableViewSourceMode();
+
+  void OnJavaBridgeInit();
+
+  void OnDisownOpener();
+
+#if defined(OS_ANDROID)
+  void OnActivateNearestFindResult(int request_id, float x, float y);
+  void OnFindMatchRects(int current_version);
+  void OnSelectPopupMenuItems(bool canceled,
+                              const std::vector<int>& selected_indices);
+  void OnUndoScrollFocusedEditableNodeIntoRect();
+  void OnUpdateTopControlsState(bool enable_hiding,
+                                bool enable_showing,
+                                bool animate);
+#elif defined(OS_MACOSX)
+  void OnCopyToFindPboard();
+  void OnPluginImeCompositionCompleted(const string16& text, int plugin_id);
+  void OnSelectPopupMenuItem(int selected_index);
+  void OnSetInLiveResize(bool in_live_resize);
+  void OnSetWindowVisibility(bool visible);
+  void OnWindowFrameChanged(const gfx::Rect& window_frame,
+                            const gfx::Rect& view_frame);
+#endif
+
+  void OnWindowSnapshotCompleted(const int snapshot_id,
+      const gfx::Size& size, const std::vector<unsigned char>& png);
+
+
+  // Adding a new message handler? Please add it in alphabetical order above
+  // and put it in the same position in the .cc file.
+
+  // Misc private functions ----------------------------------------------------
+  void ZoomFactorHelper(PageZoom zoom, int zoom_center_x, int zoom_center_y,
+                        float scaling_increment);
+
+  void AltErrorPageFinished(WebKit::WebFrame* frame,
+                            const WebKit::WebURLRequest& original_request,
+                            const WebKit::WebURLError& original_error,
+                            const std::string& html);
+
+  // Check whether the preferred size has changed.
+  void CheckPreferredSize();
+
+  // Initializes |media_stream_client_| if needed.
+  void EnsureMediaStreamClient();
+
+  // This callback is triggered when DownloadFavicon completes, either
+  // succesfully or with a failure. See DownloadFavicon for more
+  // details.
+  void DidDownloadFavicon(ImageResourceFetcher* fetcher,
+                          const SkBitmap& image);
+
+  // Requests to download a favicon image. When done, the RenderView is notified
+  // by way of DidDownloadFavicon. Returns true if the request was successfully
+  // started, false otherwise. id is used to uniquely identify the request and
+  // passed back to the DidDownloadFavicon method. If the image has multiple
+  // frames, the frame whose size is image_size is returned. If the image
+  // doesn't have a frame at the specified size, the first is returned.
+  bool DownloadFavicon(int id, const GURL& image_url, int image_size);
+
+  GURL GetAlternateErrorPageURL(const GURL& failed_url,
+                                ErrorPageType error_type);
+
+  // Locates a sub frame with given xpath
+  WebKit::WebFrame* GetChildFrame(const string16& frame_xpath) const;
+
+  // Returns the URL being loaded by the given frame's request.
+  GURL GetLoadingUrl(WebKit::WebFrame* frame) const;
+
+  // Should only be called if this object wraps a PluginDocument.
+  WebKit::WebPlugin* GetWebPluginFromPluginDocument();
+
+  // Returns true if the |params| navigation is to an entry that has been
+  // cropped due to a recent navigation the browser did not know about.
+  bool IsBackForwardToStaleEntry(const ViewMsg_Navigate_Params& params,
+                                 bool is_reload);
+
+  bool MaybeLoadAlternateErrorPage(WebKit::WebFrame* frame,
+                                   const WebKit::WebURLError& error,
+                                   bool replace);
+
+  // Make this RenderView show an empty, unscriptable page.
+  void NavigateToSwappedOutURL(WebKit::WebFrame* frame);
+
+  // If we initiated a navigation, this function will populate |document_state|
+  // with the navigation information saved in OnNavigate().
+  void PopulateDocumentStateFromPending(DocumentState* document_state);
+
+  // Returns a new NavigationState populated with the navigation information
+  // saved in OnNavigate().
+  NavigationState* CreateNavigationStateFromPending();
+
+  // Processes the command-line flags --enable-viewport,
+  // --enable-fixed-layout[=w,h] and --enable-pinch.
+  void ProcessViewLayoutFlags(const CommandLine& command_line);
+
+#if defined(OS_ANDROID)
+  // Launch an Android content intent with the given URL.
+  void LaunchAndroidContentIntent(const GURL& intent_url, size_t request_id);
+#endif
+
+  // Sends a reply to the current find operation handling if it was a
+  // synchronous find request.
+  void SendFindReply(int request_id,
+                     int match_count,
+                     int ordinal,
+                     const WebKit::WebRect& selection_rect,
+                     bool final_status_update);
+
+  // Returns whether |params.selection_text| should be synchronized to the
+  // browser before bringing up the context menu. Static for testing.
+  static bool ShouldUpdateSelectionTextFromContextMenuParams(
+      const string16& selection_text,
+      size_t selection_text_offset,
+      const ui::Range& selection_range,
+      const ContextMenuParams& params);
+
+  // Starts nav_state_sync_timer_ if it isn't already running.
+  void StartNavStateSyncTimerIfNecessary();
+
+  // Dispatches the current state of selection on the webpage to the browser if
+  // it has changed.
+  // TODO(varunjain): delete this method once we figure out how to keep
+  // selection handles in sync with the webpage.
+  void SyncSelectionIfRequired();
+
+#if defined(OS_POSIX) && !defined(OS_MACOSX)
+  void UpdateFontRenderingFromRendererPrefs();
+#else
+  void UpdateFontRenderingFromRendererPrefs() {}
+#endif
+
+  // Update the target url and tell the browser that the target URL has changed.
+  // If |url| is empty, show |fallback_url|.
+  void UpdateTargetURL(const GURL& url, const GURL& fallback_url);
+
+  // Tells the browser what the new list of favicons for the webpage is.
+  void SendUpdateFaviconURL(const std::vector<FaviconURL>& urls);
+
+  // Invoked from DidStopLoading(). Sends the current list of loaded favicons to
+  // the browser.
+  void DidStopLoadingIcons();
+
+  // Coordinate conversion -----------------------------------------------------
+
+  gfx::RectF ClientRectToPhysicalWindowRect(const gfx::RectF& rect) const;
+
+  // ---------------------------------------------------------------------------
+  // ADDING NEW FUNCTIONS? Please keep private functions alphabetized and put
+  // it in the same order in the .cc file as it was in the header.
+  // ---------------------------------------------------------------------------
+
+  // Settings ------------------------------------------------------------------
+
+  WebPreferences webkit_preferences_;
+  RendererPreferences renderer_preferences_;
+
+  HostZoomLevels host_zoom_levels_;
+
+  // Whether content state (such as form state, scroll position and page
+  // contents) should be sent to the browser immediately. This is normally
+  // false, but set to true by some tests.
+  bool send_content_state_immediately_;
+
+  // Bitwise-ORed set of extra bindings that have been enabled.  See
+  // BindingsPolicy for details.
+  int enabled_bindings_;
+
+  // The alternate error page URL, if one exists.
+  GURL alternate_error_page_url_;
+
+  // If true, we send IPC messages when |preferred_size_| changes.
+  bool send_preferred_size_changes_;
+
+  // If non-empty, and |send_preferred_size_changes_| is true, disable drawing
+  // scroll bars on windows smaller than this size.  Used for windows that the
+  // browser resizes to the size of the content, such as browser action popups.
+  // If a render view is set to the minimum size of its content, webkit may add
+  // scroll bars.  This makes sense for fixed sized windows, but it does not
+  // make sense when the size of the view was chosen to fit the content.
+  // This setting ensures that no scroll bars are drawn.  The size limit exists
+  // because if the view grows beyond a size known to the browser, scroll bars
+  // should be drawn.
+  gfx::Size disable_scrollbars_size_limit_;
+
+  // Loading state -------------------------------------------------------------
+
+  // True if the top level frame is currently being loaded.
+  bool is_loading_;
+
+  // The gesture that initiated the current navigation.
+  NavigationGesture navigation_gesture_;
+
+  // Used for popups.
+  bool opened_by_user_gesture_;
+
+  // Whether this RenderView was created by a frame that was suppressing its
+  // opener. If so, we may want to load pages in a separate process.  See
+  // decidePolicyForNavigation for details.
+  bool opener_suppressed_;
+
+  // Holds state pertaining to a navigation that we initiated.  This is held by
+  // the WebDataSource::ExtraData attribute.  We use pending_navigation_state_
+  // as a temporary holder for the state until the WebDataSource corresponding
+  // to the new navigation is created.  See DidCreateDataSource.
+  scoped_ptr<ViewMsg_Navigate_Params> pending_navigation_params_;
+
+  // Timer used to delay the updating of nav state (see SyncNavigationState).
+  base::OneShotTimer<RenderViewImpl> nav_state_sync_timer_;
+
+  // Page IDs ------------------------------------------------------------------
+  // See documentation in RenderView.
+  int32 page_id_;
+
+  // Indicates the ID of the last page that we sent a FrameNavigate to the
+  // browser for. This is used to determine if the most recent transition
+  // generated a history entry (less than page_id_), or not (equal to or
+  // greater than). Note that this will be greater than page_id_ if the user
+  // goes back.
+  int32 last_page_id_sent_to_browser_;
+
+  // The next available page ID to use for this RenderView.  These IDs are
+  // specific to a given RenderView and the frames within it.
+  int32 next_page_id_;
+
+  // The offset of the current item in the history list.
+  int history_list_offset_;
+
+  // The RenderView's current impression of the history length.  This includes
+  // any items that have committed in this process, but because of cross-process
+  // navigations, the history may have some entries that were committed in other
+  // processes.  We won't know about them until the next navigation in this
+  // process.
+  int history_list_length_;
+
+  // The list of page IDs for each history item this RenderView knows about.
+  // Some entries may be -1 if they were rendered by other processes or were
+  // restored from a previous session.  This lets us detect attempts to
+  // navigate to stale entries that have been cropped from our history.
+  std::vector<int32> history_page_ids_;
+
+  // Page info -----------------------------------------------------------------
+
+  // The last gotten main frame's encoding.
+  std::string last_encoding_name_;
+
+  // UI state ------------------------------------------------------------------
+
+  // The state of our target_url transmissions. When we receive a request to
+  // send a URL to the browser, we set this to TARGET_INFLIGHT until an ACK
+  // comes back - if a new request comes in before the ACK, we store the new
+  // URL in pending_target_url_ and set the status to TARGET_PENDING. If an
+  // ACK comes back and we are in TARGET_PENDING, we send the stored URL and
+  // revert to TARGET_INFLIGHT.
+  //
+  // We don't need a queue of URLs to send, as only the latest is useful.
+  enum {
+    TARGET_NONE,
+    TARGET_INFLIGHT,  // We have a request in-flight, waiting for an ACK
+    TARGET_PENDING    // INFLIGHT + we have a URL waiting to be sent
+  } target_url_status_;
+
+  // The URL we show the user in the status bar. We use this to determine if we
+  // want to send a new one (we do not need to send duplicates). It will be
+  // equal to either |mouse_over_url_| or |focus_url_|, depending on which was
+  // updated last.
+  GURL target_url_;
+
+  // The URL the user's mouse is hovering over.
+  GURL mouse_over_url_;
+
+  // The URL that has keyboard focus.
+  GURL focus_url_;
+
+  // The next target URL we want to send to the browser.
+  GURL pending_target_url_;
+
+  // The text selection the last time DidChangeSelection got called. May contain
+  // additional characters before and after the selected text, for IMEs. The
+  // portion of this string that is the actual selected text starts at index
+  // |selection_range_.GetMin() - selection_text_offset_| and has length
+  // |selection_range_.length()|.
+  string16 selection_text_;
+  // The offset corresponding to the start of |selection_text_| in the document.
+  size_t selection_text_offset_;
+  // Range over the document corresponding to the actual selected text (which
+  // could correspond to a substring of |selection_text_|; see above).
+  ui::Range selection_range_;
+
+  // External context menu requests we're waiting for. "Internal"
+  // (WebKit-originated) context menu events will have an ID of 0 and will not
+  // be in this map.
+  //
+  // We don't want to add internal ones since some of the "special" page
+  // handlers in the browser process just ignore the context menu requests so
+  // avoid showing context menus, and so this will cause right clicks to leak
+  // entries in this map. Most users of the custom context menu (e.g. Pepper
+  // plugins) are normally only on "regular" pages and the regular pages will
+  // always respond properly to the request, so we don't have to worry so
+  // much about leaks.
+  IDMap<ContextMenuClient, IDMapExternalPointer> pending_context_menus_;
+
+#if defined(OS_ANDROID)
+  // Cache the old top controls state constraints. Used when updating
+  // current value only without altering the constraints.
+  cc::TopControlsState top_controls_constraints_;
+#endif
+
+  // View ----------------------------------------------------------------------
+
+  // Cache the preferred size of the page in order to prevent sending the IPC
+  // when layout() recomputes but doesn't actually change sizes.
+  gfx::Size preferred_size_;
+
+  // Used to delay determining the preferred size (to avoid intermediate
+  // states for the sizes).
+  base::OneShotTimer<RenderViewImpl> check_preferred_size_timer_;
+
+  // These store the "is main frame is scrolled all the way to the left
+  // or right" state that was last sent to the browser.
+  bool cached_is_main_frame_pinned_to_left_;
+  bool cached_is_main_frame_pinned_to_right_;
+
+  // These store the "has scrollbars" state last sent to the browser.
+  bool cached_has_main_frame_horizontal_scrollbar_;
+  bool cached_has_main_frame_vertical_scrollbar_;
+
+  // Helper objects ------------------------------------------------------------
+
+  scoped_ptr<RenderFrameImpl> main_render_frame_;
+
+  RendererWebCookieJarImpl cookie_jar_;
+
+  // The next group of objects all implement RenderViewObserver, so are deleted
+  // along with the RenderView automatically.  This is why we just store
+  // weak references.
+
+  // Holds a reference to the service which provides desktop notifications.
+  NotificationProvider* notification_provider_;
+
+  // The geolocation dispatcher attached to this view, lazily initialized.
+  GeolocationDispatcher* geolocation_dispatcher_;
+
+  // The speech dispatcher attached to this view, lazily initialized.
+  InputTagSpeechDispatcher* input_tag_speech_dispatcher_;
+
+  // The speech recognition dispatcher attached to this view, lazily
+  // initialized.
+  SpeechRecognitionDispatcher* speech_recognition_dispatcher_;
+
+  // Device orientation dispatcher attached to this view; lazily initialized.
+  DeviceOrientationDispatcher* device_orientation_dispatcher_;
+
+  // MediaStream dispatcher attached to this view; lazily initialized.
+  MediaStreamDispatcher* media_stream_dispatcher_;
+
+  // BrowserPluginManager attached to this view; lazily initialized.
+  scoped_refptr<BrowserPluginManager> browser_plugin_manager_;
+
+  // MediaStreamClient attached to this view; lazily initialized.
+  MediaStreamClient* media_stream_client_;
+  WebKit::WebUserMediaClient* web_user_media_client_;
+
+  // MIDIClient attached to this view; lazily initialized.
+  MIDIDispatcher* midi_dispatcher_;
+
+  DevToolsAgent* devtools_agent_;
+
+  // The current accessibility mode.
+  AccessibilityMode accessibility_mode_;
+
+  // Only valid if |accessibility_mode_| is anything other than
+  // AccessibilityModeOff.
+  RendererAccessibility* renderer_accessibility_;
+
+  // Java Bridge dispatcher attached to this view; lazily initialized.
+  JavaBridgeDispatcher* java_bridge_dispatcher_;
+
+  // Mouse Lock dispatcher attached to this view.
+  MouseLockDispatcher* mouse_lock_dispatcher_;
+
+#if defined(OS_ANDROID)
+  // Android Specific ---------------------------------------------------------
+
+  // The background color of the document body element. This is used as the
+  // default background color for filling the screen areas for which we don't
+  // have the actual content.
+  SkColor body_background_color_;
+
+  // Expected id of the next content intent launched. Used to prevent scheduled
+  // intents to be launched if aborted.
+  size_t expected_content_intent_id_;
+
+  // List of click-based content detectors.
+  typedef std::vector< linked_ptr<ContentDetector> > ContentDetectorList;
+  ContentDetectorList content_detectors_;
+
+  // Proxy class for WebMediaPlayer to communicate with the real media player
+  // objects in browser process.
+  WebMediaPlayerProxyAndroid* media_player_proxy_;
+
+  // The media player manager for managing all the media players on this view.
+  scoped_ptr<RendererMediaPlayerManager> media_player_manager_;
+
+  // A date/time picker object for date and time related input elements.
+  scoped_ptr<RendererDateTimePicker> date_time_picker_client_;
+#endif
+
+  // Plugins -------------------------------------------------------------------
+
+  // All the currently active plugin delegates for this RenderView; kept so
+  // that we can enumerate them to send updates about things like window
+  // location or tab focus and visibily. These are non-owning references.
+  std::set<WebPluginDelegateProxy*> plugin_delegates_;
+
+#if defined(OS_WIN)
+  // The ID of the focused NPAPI plug-in.
+  int focused_plugin_id_;
+#endif
+
+#if defined(ENABLE_PLUGINS)
+  typedef std::set<PepperPluginInstanceImpl*> PepperPluginSet;
+  PepperPluginSet active_pepper_instances_;
+
+  // Whether or not the focus is on a PPAPI plugin
+  PepperPluginInstanceImpl* focused_pepper_plugin_;
+
+  // Current text input composition text. Empty if no composition is in
+  // progress.
+  string16 pepper_composition_text_;
+
+  // The plugin instance that received the last mouse event. It is set to NULL
+  // if the last mouse event went to elements other than Pepper plugins.
+  // |pepper_last_mouse_event_target_| is not owned by this class. We can know
+  // about when it is destroyed via InstanceDeleted().
+  PepperPluginInstanceImpl* pepper_last_mouse_event_target_;
+#endif
+
+  // Misc ----------------------------------------------------------------------
+
+  // The current and pending file chooser completion objects. If the queue is
+  // nonempty, the first item represents the currently running file chooser
+  // callback, and the remaining elements are the other file chooser completion
+  // still waiting to be run (in order).
+  struct PendingFileChooser;
+  std::deque< linked_ptr<PendingFileChooser> > file_chooser_completions_;
+
+  // The current directory enumeration callback
+  std::map<int, WebKit::WebFileChooserCompletion*> enumeration_completions_;
+  int enumeration_completion_id_;
+
+  // Reports load progress to the browser.
+  scoped_ptr<LoadProgressTracker> load_progress_tracker_;
+
+  // The SessionStorage namespace that we're assigned to has an ID, and that ID
+  // is passed to us upon creation.  WebKit asks for this ID upon first use and
+  // uses it whenever asking the browser process to allocate new storage areas.
+  int64 session_storage_namespace_id_;
+
+  // The total number of unrequested popups that exist and can be followed back
+  // to a common opener. This count is shared among all RenderViews created with
+  // createView(). All popups are treated as unrequested until specifically
+  // instructed otherwise by the Browser process.
+  scoped_refptr<SharedRenderViewCounter> shared_popup_counter_;
+
+  // Whether this is a top level window (instead of a popup). Top level windows
+  // shouldn't count against their own |shared_popup_counter_|.
+  bool decrement_shared_popup_at_destruction_;
+
+  // Stores edit commands associated to the next key event.
+  // Shall be cleared as soon as the next key event is processed.
+  EditCommands edit_commands_;
+
+  // The external popup for the currently showing select popup.
+  scoped_ptr<ExternalPopupMenu> external_popup_menu_;
+
+  // The node that the context menu was pressed over.
+  WebKit::WebNode context_menu_node_;
+
+  // All the registered observers.  We expect this list to be small, so vector
+  // is fine.
+  ObserverList<RenderViewObserver> observers_;
+
+  // Used to inform didChangeSelection() when it is called in the context
+  // of handling a InputMsg_SelectRange IPC.
+  bool handling_select_range_;
+
+  // Wraps the |webwidget_| as a MouseLockDispatcher::LockTarget interface.
+  scoped_ptr<MouseLockDispatcher::LockTarget> webwidget_mouse_lock_target_;
+
+  // State associated with the GetWindowSnapshot function.
+  int next_snapshot_id_;
+  typedef std::map<int, WindowSnapshotCallback> PendingSnapshotMap;
+  PendingSnapshotMap pending_snapshots_;
+
+  // Allows to selectively disable partial buffer swap for this renderer's
+  // compositor.
+  bool allow_partial_swap_;
+
+  // Allows JS to access DOM automation. The JS object is only exposed when the
+  // DOM automation bindings are enabled.
+  scoped_ptr<DomAutomationController> dom_automation_controller_;
+
+  // Allows JS to read out a variety of internal various metrics. The JS object
+  // is only exposed when the stats collection bindings are enabled.
+  scoped_ptr<StatsCollectionController> stats_collection_controller_;
+
+  // This field stores drag/drop related info for the event that is currently
+  // being handled. If the current event results in starting a drag/drop
+  // session, this info is sent to the browser along with other drag/drop info.
+  DragEventSourceInfo possible_drag_event_info_;
+
+  // NOTE: stats_collection_observer_ should be the last members because their
+  // constructors call the AddObservers method of RenderViewImpl.
+  scoped_ptr<StatsCollectionObserver> stats_collection_observer_;
+
+  ui::MenuSourceType context_menu_source_type_;
+  gfx::Point touch_editing_context_menu_location_;
+
+  // ---------------------------------------------------------------------------
+  // ADDING NEW DATA? Please see if it fits appropriately in one of the above
+  // sections rather than throwing it randomly at the end. If you're adding a
+  // bunch of stuff, you should probably create a helper class and put your
+  // data and methods on that to avoid bloating RenderView more.  You can
+  // use the Observer interface to filter IPC messages and receive frame change
+  // notifications.
+  // ---------------------------------------------------------------------------
+
+  DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_