Revert of Separate repaint and layout requirements of StyleDifference (Step 1)

Source/core/rendering/svg/RenderSVGBlock.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010. 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 60 matching lines @@
 }
 
 void RenderSVGBlock::willBeDestroyed()
 {
     SVGResourcesCache::clientDestroyed(this);
     RenderBlockFlow::willBeDestroyed();
 }
 
 void RenderSVGBlock::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
 {
-    if (diff.needsFullLayout())
+    if (diff == StyleDifferenceLayout)
         setNeedsBoundariesUpdate();
 
     RenderBlock::styleDidChange(diff, oldStyle);
     SVGResourcesCache::clientStyleChanged(this, diff, style());
 }
 
 void RenderSVGBlock::mapLocalToContainer(const RenderLayerModelObject* repaintContainer, TransformState& transformState, MapCoordinatesFlags, bool* wasFixed) const
 {
     SVGRenderSupport::mapLocalToContainer(this, repaintContainer, transformState, wasFixed);
 }
@@ skipping 13 matching lines @@
     SVGRenderSupport::computeFloatRectForRepaint(this, repaintContainer, repaintRect, fixed);
 }
 
 bool RenderSVGBlock::nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation&, const LayoutPoint&, HitTestAction)
 {
     ASSERT_NOT_REACHED();
     return false;
 }
 
 }