Move Frame to the Oilpan heap.

Source/core/rendering/TextAutosizer.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 64 matching lines @@
         TextAutosizer* m_textAutosizer;
         RenderBlock* m_block;
     };
 
     class TableLayoutScope : LayoutScope {
     public:
         explicit TableLayoutScope(RenderTable*);
     };
 
     class DeferUpdatePageInfo {
+        STACK_ALLOCATED();
     public:
         explicit DeferUpdatePageInfo(Page*);
         ~DeferUpdatePageInfo();
     private:
-        RefPtr<LocalFrame> m_mainFrame;
+        RefPtrWillBeMember<LocalFrame> m_mainFrame;
     };
 
 private:
     typedef HashSet<const RenderBlock*> BlockSet;
 
     enum HasEnoughTextToAutosize {
         UnknownAmountOfText,
         HasEnoughText,
         NotEnoughText
     };
@@ skipping 203 matching lines @@
     FingerprintMapper m_fingerprintMapper;
     Vector<RefPtr<RenderStyle> > m_stylesRetainedDuringLayout;
     // FIXME: All frames should share the same m_pageInfo instance.
     PageInfo m_pageInfo;
     bool m_updatePageInfoDeferred;
 };
 
 } // namespace blink
 
 #endif // TextAutosizer_h