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

content/browser/web_contents/web_contents_impl.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_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 394 matching lines @@
   // interface is going away.
   // virtual WebContents* GetAsWebContents() OVERRIDE;
   virtual gfx::Rect GetRootWindowResizerRect() const OVERRIDE;
   virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE;
   virtual void RenderViewReady(RenderViewHost* render_view_host) OVERRIDE;
   virtual void RenderViewTerminated(RenderViewHost* render_view_host,
                                     base::TerminationStatus status,
                                     int error_code) OVERRIDE;
   virtual void RenderViewDeleted(RenderViewHost* render_view_host) OVERRIDE;
   virtual void UpdateState(RenderViewHost* render_view_host,
-                           int32 rvh_page_id,
                            int32 page_id,
                            const PageState& page_state) OVERRIDE;
   virtual void UpdateTargetURL(const GURL& url) OVERRIDE;
   virtual void Close(RenderViewHost* render_view_host) OVERRIDE;
   virtual void RequestMove(const gfx::Rect& new_bounds) OVERRIDE;
   virtual void DidCancelLoading() OVERRIDE;
   virtual void DocumentAvailableInMainFrame(
       RenderViewHost* render_view_host) OVERRIDE;
   virtual void RouteCloseEvent(RenderViewHost* rvh) OVERRIDE;
   virtual void RouteMessageEvent(
@@ skipping 820 matching lines @@
   scoped_ptr<WebContentsAudioMuter> audio_muter_;
 
   base::WeakPtrFactory<WebContentsImpl> loading_weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_