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

chrome_frame/chrome_active_document.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_ACTIVE_DOCUMENT_H_
 #define CHROME_FRAME_CHROME_ACTIVE_DOCUMENT_H_
 
 #include <atlbase.h>
 #include <atlcom.h>
 #include <atlctl.h>
@@ skipping 343 matching lines @@
   STDMETHOD(Next)(BSTR* url, BSTR* policy, LONG* reserved, DWORD* flags);
 
   // NavigationConstraints overrides.
   bool IsSchemeAllowed(const GURL& url);
 
   // Accessor for InPlaceMenu.  Returns S_OK if set, S_FALSE if NULL.
   HRESULT GetInPlaceFrame(IOleInPlaceFrame** in_place_frame);
 
  protected:
   // ChromeFrameActivexBase overrides
-  virtual void OnOpenURL(
-      const GURL& url_to_open, const GURL& referrer, int open_disposition);
   virtual void OnAttachExternalTab(const AttachExternalTabParams& params);
   virtual void OnGoToHistoryEntryOffset(int offset);
   virtual void OnMoveWindow(const gfx::Rect& dimensions);
 
   // A helper method that updates our internal navigation state
   // as well as IE's navigation state (viz Title and current URL).
   // The navigation_flags is a TabContents::InvalidateTypes enum
   void UpdateNavigationState(const NavigationInfo& nav_info, int flags);
 
   TabProxy* GetTabProxy() const {
@@ skipping 100 matching lines @@
   // command.
   UrlmonUrlRequestManager::PrivacyInfo privacy_info_;
   UrlmonUrlRequestManager::PrivacyInfo::PrivacyRecords::iterator
       next_privacy_record_;
 
  public:
   OLEINPLACEFRAMEINFO frame_info_;
 };
 
 #endif  // CHROME_FRAME_CHROME_ACTIVE_DOCUMENT_H_