| Index: Source/core/page/HistoryController.h
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| diff --git a/Source/core/page/HistoryController.h b/Source/core/page/HistoryController.h
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| index fc8188381d59dad8363d81c6d485f8cdcb417b6c..9b57bdbb0738d1b579390a070c52c62f91dd795c 100644
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| --- a/Source/core/page/HistoryController.h
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| +++ b/Source/core/page/HistoryController.h
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| @@ -155,7 +155,7 @@ public:
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|  
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|  private:
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|      void goToEntry(PassOwnPtr<HistoryEntry>, ResourceRequestCachePolicy);
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| -    typedef HashMap<Frame*, HistoryItem*> HistoryFrameLoadSet;
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| +    typedef HashMap<RefPtr<Frame>, HistoryItem*> HistoryFrameLoadSet;
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|      void recursiveGoToEntry(Frame*, HistoryFrameLoadSet& sameDocumentLoads, HistoryFrameLoadSet& differentDocumentLoads);
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|  
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|      void updateForInitialLoadInChildFrame(Frame*, HistoryItem*);
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| 
 |