Oilpan: Change references to MutableStylePropertySet to transition types.

Source/core/svg/SVGElementRareData.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 95 matching lines @@
     void setNeedsOverrideComputedStyleUpdate() { m_needsOverrideComputedStyleUpdate = true; }
 
 private:
     HashSet<SVGElementInstance*> m_elementInstances;
     SVGCursorElement* m_cursorElement;
     CSSCursorImageValue* m_cursorImageValue;
     SVGElement* m_correspondingElement;
     bool m_instancesUpdatesBlocked : 1;
     bool m_useOverrideComputedStyle : 1;
     bool m_needsOverrideComputedStyleUpdate : 1;
-    RefPtr<MutableStylePropertySet> m_animatedSMILStyleProperties;
+    RefPtrWillBePersistent<MutableStylePropertySet> m_animatedSMILStyleProperties;

[haraken, 2014/03/19 10:26:23]

I was surprised that you didn't hit COMPILE_ASSERT about the size increase of
the SVGElementRareData object. Looks like we don't have such ASSERT :)

[wibling-chromium, 2014/03/19 10:33:19]

I got lucky:)

     RefPtr<RenderStyle> m_overrideComputedStyle;
 };
 
 }
 
 #endif