Merge 144236

Source/WebCore/platform/ScrollView.h

 /*
  * Copyright (C) 2004, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Holger Hans Peter Freyther
  *
  * 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
@@ skipping 225 matching lines @@
     void windowResizerRectChanged();
 
     virtual void setParent(ScrollView*); // Overridden to update the overlapping scrollbar count.
 
     // Called when our frame rect changes (or the rect/scroll position of an ancestor changes).
     virtual void frameRectsChanged();
     
     // Widget override to update our scrollbars and notify our contents of the resize.
     virtual void setFrameRect(const IntRect&);
 
+    // Widget override to notify our contents of a cliprect change.
+    virtual void clipRectChanged() OVERRIDE;
+
     // For platforms that need to hit test scrollbars from within the engine's event handlers (like Win32).
     Scrollbar* scrollbarAtPoint(const IntPoint& windowPoint);
 
     IntPoint convertChildToSelf(const Widget* child, const IntPoint& point) const
     {
         IntPoint newPoint = point;
         if (!isScrollViewScrollbar(child))
             newPoint = point - scrollOffset();
         newPoint.moveBy(child->location());
         return newPoint;
@@ skipping 152 matching lines @@
 private:
     class ScrollViewPrivate;
     ScrollViewPrivate* m_data;
 #endif
 
 }; // class ScrollView
 
 } // namespace WebCore
 
 #endif // ScrollView_h