Remove the HistoryState property of WebRequest....

webkit/glue/webframe_impl.h

 /*
  * Copyright (C) 2006 Apple Computer, 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 61 matching lines @@
 
   static int live_object_count() {
     return live_object_count_;
   }
 
   // Called by the WebViewImpl to initialize its main frame:
   void InitMainFrame(WebViewImpl* webview_impl);
 
   // WebFrame
   virtual void LoadRequest(WebRequest* request);
+  virtual void LoadHistoryState(const std::string& history_state);
   virtual void LoadHTMLString(const std::string& html_text,
                               const GURL& base_url);
   virtual void LoadAlternateHTMLString(const WebRequest* request,
                                        const std::string& html_text,
                                        const GURL& display_url,
                                        bool replace);
   virtual void LoadAlternateHTMLErrorPage(const WebRequest* request,
                                           const WebError& error,
                                           const GURL& error_page_url,
                                           bool replace,
@@ skipping 293 matching lines @@
   bool ShouldScopeMatches(const string16& search_text);
 
   // Only for test_shell
   int PendingFrameUnloadEventCount() const;
 
   // Determines whether to invalidate the content area and scrollbar.
   void InvalidateIfNecessary();
 
   void InternalLoadRequest(const WebRequest* request,
                            const WebCore::SubstituteData& data,
+                           PassRefPtr<WebCore::HistoryItem> history_item,
                            bool replace);
 
   // Clears the map of password listeners.
   void ClearPasswordListeners();
 
   // Valid between calls to BeginPrint() and EndPrint(). Containts the print
   // information. Is used by PrintPage().
   scoped_ptr<ChromePrintContext> print_context_;
 
   // The app cache context for this frame.
   scoped_ptr<WebAppCacheContext> app_cache_context_;
 
   // The input fields that are interested in edit events and their associated
   // listeners.
   typedef HashMap<RefPtr<WebCore::HTMLInputElement>,
       webkit_glue::PasswordAutocompleteListener*> PasswordListenerMap;
   PasswordListenerMap password_listeners_;
 
   DISALLOW_COPY_AND_ASSIGN(WebFrameImpl);
 };
 
 #endif  // WEBKIT_GLUE_WEBFRAME_IMPL_H_