Ensure that the browser’s copy of page id is in sync with the renderer’s.

content/browser/renderer_host/render_view_host_delegate.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 88 matching lines @@
   virtual void RenderViewTerminated(RenderViewHost* render_view_host,
                                     base::TerminationStatus status,
                                     int error_code) {}
 
   // The RenderView is going to be deleted. This is called when each
   // RenderView is going to be destroyed
   virtual void RenderViewDeleted(RenderViewHost* render_view_host) {}
 
   // The state for the page changed and should be updated.
   virtual void UpdateState(RenderViewHost* render_view_host,
+                           int32 rvh_page_id,  // http://crbug.com/407376
                            int32 page_id,
                            const PageState& state) {}
 
   // The destination URL has changed should be updated.
   virtual void UpdateTargetURL(const GURL& url) {}
 
   // The page is trying to close the RenderView's representation in the client.
   virtual void Close(RenderViewHost* render_view_host) {}
 
   // The page is trying to move the RenderView's representation in the client.
@@ skipping 161 matching lines @@
   // created by the RenderViewHost.
   virtual FrameTree* GetFrameTree();
 
  protected:
   virtual ~RenderViewHostDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_