Merge 117971

Source/WebCore/rendering/svg/SVGResourcesCache.h

 /*
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 21 matching lines @@
 class SVGResources;
 
 class SVGResourcesCache {
     WTF_MAKE_NONCOPYABLE(SVGResourcesCache); WTF_MAKE_FAST_ALLOCATED;
 public:
     SVGResourcesCache();
     ~SVGResourcesCache();
 
     void addResourcesFromRenderObject(RenderObject*, const RenderStyle*);
     void removeResourcesFromRenderObject(RenderObject*);
-    static SVGResources* cachedResourcesForRenderObject(RenderObject*);
+    static SVGResources* cachedResourcesForRenderObject(const RenderObject*);
 
     // Called from all SVG renderers destroy() methods - except for RenderSVGResourceContainer.
     static void clientDestroyed(RenderObject*);
 
     // Called from all SVG renderers layout() methods.
     static void clientLayoutChanged(RenderObject*);
 
     // Called from all SVG renderers styleDidChange() methods.
     static void clientStyleChanged(RenderObject*, StyleDifference, const RenderStyle* newStyle);
 
     // Called from all SVG renderers updateFromElement() methods.
     static void clientUpdatedFromElement(RenderObject*, const RenderStyle* newStyle);
 
     // Called from RenderSVGResourceContainer::willBeDestroyed().
     static void resourceDestroyed(RenderSVGResourceContainer*);
 
 private:
-    HashMap<RenderObject*, SVGResources*> m_cache;
+    HashMap<const RenderObject*, SVGResources*> m_cache;
 };
 
 }
 
 #endif
 #endif