RAL: Eliminate n^2 walk to find repaint containers

Source/core/rendering/RenderBox.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2006, 2007 Apple 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 599 matching lines @@
     {
         return ShapeOutsideInfo::isEnabledFor(*this) ? ShapeOutsideInfo::info(*this) : 0;
     }
 
     void markShapeOutsideDependentsForLayout()
     {
         if (isFloating())
             removeFloatingOrPositionedChildFromBlockLists();
     }
 
-    virtual void repaintTreeAfterLayout() OVERRIDE;
+    virtual void repaintTreeAfterLayout(const RenderLayerModelObject& repaintContainer) OVERRIDE;
 
 protected:
     virtual void willBeDestroyed() OVERRIDE;
 
     virtual void styleWillChange(StyleDifference, const RenderStyle& newStyle) OVERRIDE;
     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
     virtual void updateFromStyle() OVERRIDE;
 
     // Returns false if it could not cheaply compute the extent (e.g. fixed background), in which case the returned rect may be incorrect.
     bool getBackgroundPaintedExtent(LayoutRect&) const;
@@ skipping 143 matching lines @@
         if (UNLIKELY(inlineBoxWrapper() != 0))
             deleteLineBoxWrapper();
     }
 
     ensureRareData().m_inlineBoxWrapper = boxWrapper;
 }
 
 } // namespace WebCore
 
 #endif // RenderBox_h