Add RenderSVGBlock::mapRectToPaintInvalidationBacking

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 83 matching lines @@
 const RenderObject* RenderSVGBlock::pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap& geometryMap) const
 {
     return SVGRenderSupport::pushMappingToContainer(this, ancestorToStopAt, geometryMap);
 }
 
 LayoutRect RenderSVGBlock::clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* paintInvalidationState) const
 {
     return SVGRenderSupport::clippedOverflowRectForPaintInvalidation(this, paintInvalidationContainer, paintInvalidationState);
 }
 
+void RenderSVGBlock::mapRectToPaintInvalidationBacking(const RenderLayerModelObject* paintInvalidationContainer, LayoutRect& rect, const PaintInvalidationState* paintInvalidationState) const
+{
+    FloatRect paintInvalidationRect = rect;
+    paintInvalidationRect.inflate(style()->outlineWidth());
+    computeFloatRectForPaintInvalidation(paintInvalidationContainer, paintInvalidationRect, paintInvalidationState);
+    rect = enclosingLayoutRect(paintInvalidationRect);
+}
+
 void RenderSVGBlock::computeFloatRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, FloatRect& paintInvalidationRect, const PaintInvalidationState* paintInvalidationState) const
 {
     SVGRenderSupport::computeFloatRectForPaintInvalidation(this, paintInvalidationContainer, paintInvalidationRect, paintInvalidationState);
 }
 
 bool RenderSVGBlock::nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation&, const LayoutPoint&, HitTestAction)
 {
     ASSERT_NOT_REACHED();
     return false;
 }
 
 void RenderSVGBlock::invalidateTreeIfNeeded(const PaintInvalidationState& paintInvalidationState)
 {
     if (!shouldCheckForPaintInvalidation(paintInvalidationState))
         return;
 
     ForceHorriblySlowRectMapping slowRectMapping(&paintInvalidationState);
     RenderBlockFlow::invalidateTreeIfNeeded(paintInvalidationState);
 }
 
 }