Reset DocumentLoader::m_request's method to GET for pushState and replaceState

Source/core/loader/DocumentLoader.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 82 matching lines @@
         ResourceFetcher* fetcher() const { return m_fetcher.get(); }
 
         const SubstituteData& substituteData() const { return m_substituteData; }
 
         const KURL& url() const;
         const KURL& unreachableURL() const;
         const KURL& urlForHistory() const;
 
         const AtomicString& responseMIMEType() const;
 
-        void updateForSameDocumentNavigation(const KURL&);
+        void updateForSameDocumentNavigation(const KURL&, SameDocumentNavigationSource);
         void stopLoading();
         bool isCommitted() const { return m_committed; }
         bool isLoading() const;
         bool isLoadingMainResource() const { return m_loadingMainResource; }
         const ResourceResponse& response() const { return m_response; }
         const ResourceError& mainDocumentError() const { return m_mainDocumentError; }
         bool isClientRedirect() const { return m_isClientRedirect; }
         void setIsClientRedirect(bool isClientRedirect) { m_isClientRedirect = isClientRedirect; }
         bool replacesCurrentHistoryItem() const { return m_replacesCurrentHistoryItem; }
         void setReplacesCurrentHistoryItem(bool replacesCurrentHistoryItem) { m_replacesCurrentHistoryItem = replacesCurrentHistoryItem; }
@@ skipping 102 matching lines @@
         DocumentLoadTiming m_documentLoadTiming;
 
         double m_timeOfLastDataReceived;
 
         friend class ApplicationCacheHost;  // for substitute resource delivery
         OwnPtr<ApplicationCacheHost> m_applicationCacheHost;
     };
 }
 
 #endif // DocumentLoader_h