OverscrollGlow for mainThread-{BLINK CHANGES}

Source/core/page/ChromeClient.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple, Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 32 matching lines @@
 namespace blink {
 
 class AXObject;
 class ColorChooser;
 class ColorChooserClient;
 class DateTimeChooser;
 class DateTimeChooserClient;
 class Element;
 class FileChooser;
 class Frame;
+class FloatPoint;
 class GraphicsContext;
 class GraphicsLayer;
 class GraphicsLayerFactory;
 class HitTestResult;
 class HTMLFormControlElement;
 class HTMLInputElement;
 class IntRect;
 class LocalFrame;
 class Node;
 class Page;
@@ skipping 32 matching lines @@
     // LocalFrame wants to create the new Page. Also, the newly created window
     // should not be shown to the user until the ChromeClient of the newly
     // created Page has its show method called.
     // The FrameLoadRequest parameter is only for ChromeClient to check if the
     // request could be fulfilled. The ChromeClient should not load the request.
     virtual Page* createWindow(LocalFrame*, const FrameLoadRequest&, const WindowFeatures&, NavigationPolicy, ShouldSendReferrer) = 0;
     virtual void show(NavigationPolicy = NavigationPolicyIgnore) = 0;
 
     void setWindowFeatures(const WindowFeatures&);
 
+    virtual void didOverscroll(const FloatSize&, const FloatSize&, const FloatPoint&, const FloatSize&) = 0;
+
     virtual void setToolbarsVisible(bool) = 0;
     virtual bool toolbarsVisible() = 0;
 
     virtual void setStatusbarVisible(bool) = 0;
     virtual bool statusbarVisible() = 0;
 
     virtual void setScrollbarsVisible(bool) = 0;
     virtual bool scrollbarsVisible() = 0;
 
     virtual void setMenubarVisible(bool) = 0;
@@ skipping 144 matching lines @@
 private:
     bool canRunModalIfDuringPageDismissal(Frame* mainFrame, DialogType, const String& message);
     void setToolTip(const HitTestResult&);
 
     Cursor m_lastSetMouseCursorForTesting;
 };
 
 } // namespace blink
 
 #endif // ChromeClient_h