Fix a back forward bug in ChromeFrame reported on the field. The bug occurs when multiple

chrome_frame/chrome_frame_automation.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_FRAME_CHROME_FRAME_AUTOMATION_H_
 #define CHROME_FRAME_CHROME_FRAME_AUTOMATION_H_
 
 #include <atlbase.h>
 #include <atlwin.h>
 #include <map>
@@ skipping 371 matching lines @@
   }
 #endif
 
   void set_handle_top_level_requests(bool handle_top_level_requests) {
     handle_top_level_requests_ = handle_top_level_requests;
   }
 
   // Url request manager set up.
   void SetUrlFetcher(PluginUrlRequestManager* url_fetcher);
 
-  // Called if the same instance of the ChromeFrameAutomationClient object
-  // is reused.
-  bool Reinitialize(ChromeFrameDelegate* chrome_frame_delegate,
-                    PluginUrlRequestManager* url_fetcher);
-
   // Attaches an existing external tab to this automation client instance.
   void AttachExternalTab(uint64 external_tab_cookie);
   void BlockExternalTab(uint64 cookie);
 
   void SetPageFontSize(enum AutomationPageFontSize);
 
   // For IDeleteBrowsingHistorySupport
   void RemoveBrowsingData(int remove_mask);
 
   // Sets the current zoom level on the tab.
@@ skipping 117 matching lines @@
   // set to true if the host needs to get notified of all top level navigations
   // in this page. This typically applies to hosts which would render the new
   // page without chrome frame. Defaults to false.
   bool route_all_top_level_navigations_;
 
   friend class BeginNavigateContext;
   friend class CreateExternalTabContext;
 };
 
 #endif  // CHROME_FRAME_CHROME_FRAME_AUTOMATION_H_