Add early-out to RenderSVG{Block,ModelObject}::repaintTreeAfterLayout

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 96 matching lines @@
 }
 
 bool RenderSVGBlock::nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation&, const LayoutPoint&, HitTestAction)
 {
     ASSERT_NOT_REACHED();
     return false;
 }
 
 void RenderSVGBlock::repaintTreeAfterLayout()
 {
+    if (!shouldCheckForInvalidationAfterLayout())
+        return;
+
     LayoutStateDisabler layoutStateDisabler(*this);
     RenderBlockFlow::repaintTreeAfterLayout();
 }
 
 }