Merge 144236

Source/WebCore/platform/Widget.h

 /*
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2008 Collabora Ltd.  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
@@ skipping 192 matching lines @@
     IntRect convertFromContainingWindow(const IntRect&) const;
 
     IntPoint convertToContainingWindow(const IntPoint&) const;
     IntPoint convertFromContainingWindow(const IntPoint&) const;
 
     virtual void frameRectsChanged();
 
     // Notifies this widget that other widgets on the page have been repositioned.
     virtual void widgetPositionsUpdated() {}
 
+    // Notifies this widget that its clip rect changed.
+    virtual void clipRectChanged() { }
+
     // Whether transforms affect the frame rect. FIXME: We get rid of this and have
     // the frame rects be the same no matter what transforms are applied.
     virtual bool transformsAffectFrameRect() { return true; }
 
 #if PLATFORM(MAC)
     NSView* getOuterView() const;
 
     void removeFromSuperview();
 #endif
 
@@ skipping 87 matching lines @@
 
 inline void Widget::retainPlatformWidget()
 {
 }
 
 #endif
 
 } // namespace WebCore
 
 #endif // Widget_h