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diff --git a/Tools/DumpRenderTree/mac/AccessibilityControllerMac.mm b/Tools/DumpRenderTree/mac/AccessibilityControllerMac.mm
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+++ b/Tools/DumpRenderTree/mac/AccessibilityControllerMac.mm
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+/*
+ * Copyright (C) 2008, 2009, 2010 Apple 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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. 
+ */
+
+#import "config.h"
+#import "DumpRenderTree.h"
+#import "AccessibilityController.h"
+
+#import "AccessibilityNotificationHandler.h"
+#import "AccessibilityUIElement.h"
+#import <AppKit/NSColor.h>
+#import <Foundation/Foundation.h>
+#import <WebKit/WebFrame.h>
+#import <WebKit/WebFramePrivate.h>
+#import <WebKit/WebHTMLView.h>
+
+AccessibilityController::AccessibilityController()
+{
+}
+
+AccessibilityController::~AccessibilityController()
+{
+    // The notification handler should be nil because removeNotificationListener() should have been called in the test.
+    ASSERT(!m_globalNotificationHandler);
+}
+
+AccessibilityUIElement AccessibilityController::elementAtPoint(int x, int y)
+{
+    id accessibilityObject = [[[mainFrame frameView] documentView] accessibilityHitTest:NSMakePoint(x, y)];
+    return AccessibilityUIElement(accessibilityObject);    
+}
+
+AccessibilityUIElement AccessibilityController::focusedElement()
+{
+    id accessibilityObject = [[mainFrame accessibilityRoot] accessibilityFocusedUIElement];
+    return AccessibilityUIElement(accessibilityObject);
+}
+
+AccessibilityUIElement AccessibilityController::rootElement()
+{
+    // FIXME: we could do some caching here.
+    
+    // Layout tests expect that the root element will be the scroll area
+    // containing the web area object. That will be the parent of the accessibilityRoot on WK1.
+    
+    id accessibilityObject = [[mainFrame accessibilityRoot] accessibilityAttributeValue:NSAccessibilityParentAttribute];
+    return AccessibilityUIElement(accessibilityObject);
+}
+
+void AccessibilityController::setLogFocusEvents(bool)
+{
+}
+
+void AccessibilityController::setLogScrollingStartEvents(bool)
+{
+}
+
+void AccessibilityController::setLogValueChangeEvents(bool)
+{
+}
+
+void AccessibilityController::setLogAccessibilityEvents(bool)
+{
+}
+
+bool AccessibilityController::addNotificationListener(JSObjectRef functionCallback)
+{
+    if (!functionCallback)
+        return false;
+ 
+    // Mac programmers should not be adding more than one global notification listener.
+    // Other platforms may be different.
+    if (m_globalNotificationHandler)
+        return false;
+    m_globalNotificationHandler = [[AccessibilityNotificationHandler alloc] init];
+    [m_globalNotificationHandler.get() setCallback:functionCallback];
+    [m_globalNotificationHandler.get() startObserving];
+
+    return true;
+}
+
+void AccessibilityController::removeNotificationListener()
+{
+    // Mac programmers should not be trying to remove a listener that's already removed.
+    ASSERT(m_globalNotificationHandler);
+    m_globalNotificationHandler.clear();
+}