Move RenderLayer repainting to repaint-after-layout framework.

Source/core/rendering/RenderObject.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. 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
@@ skipping 954 matching lines @@
     const LayoutRect& newRepaintRect() const { return m_newRepaintRect; }
     void setNewRepaintRect(const LayoutRect& rect) { m_newRepaintRect = rect; }
 
     const LayoutRect& oldRepaintRect() const { return m_oldRepaintRect; }
     void setOldRepaintRect(const LayoutRect& rect) { m_oldRepaintRect = rect; }
 
     bool shouldDoFullRepaintAfterLayout() const { return m_bitfields.shouldDoFullRepaintAfterLayout(); }
     void setShouldDoFullRepaintAfterLayout(bool b) { m_bitfields.setShouldDoFullRepaintAfterLayout(b); }
     bool shouldRepaintOverflowIfNeeded() const { return m_bitfields.shouldRepaintOverflowIfNeeded(); }
 
-    void clearRepaintRects()
+    void clearRepaintState()
     {
-        setNewRepaintRect(LayoutRect());
-        setOldRepaintRect(LayoutRect());
-
         setShouldDoFullRepaintAfterLayout(false);
         setShouldRepaintOverflowIfNeeded(false);
         setLayoutDidGetCalled(false);
     }
 
     // layoutDidGetCalled indicates whether this render object was re-laid-out
     // since the last call to setLayoutDidGetCalled(false) on this object.
     bool layoutDidGetCalled() { return m_bitfields.layoutDidGetCalled(); }
     void setLayoutDidGetCalled(bool b) { m_bitfields.setLayoutDidGetCalled(b); }
 
@@ skipping 418 matching lines @@
 void showTree(const WebCore::RenderObject*);
 void showLineTree(const WebCore::RenderObject*);
 void showRenderTree(const WebCore::RenderObject* object1);
 // We don't make object2 an optional parameter so that showRenderTree
 // can be called from gdb easily.
 void showRenderTree(const WebCore::RenderObject* object1, const WebCore::RenderObject* object2);
 
 #endif
 
 #endif // RenderObject_h