Revert "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 386 matching lines @@
   // interface is going away.
   // virtual WebContents* GetAsWebContents() override;
   gfx::Rect GetRootWindowResizerRect() const override;
   void RenderViewCreated(RenderViewHost* render_view_host) override;
   void RenderViewReady(RenderViewHost* render_view_host) override;
   void RenderViewTerminated(RenderViewHost* render_view_host,
                             base::TerminationStatus status,
                             int error_code) override;
   void RenderViewDeleted(RenderViewHost* render_view_host) override;
   void UpdateState(RenderViewHost* render_view_host,
-                   int32 rvh_page_id,
                    int32 page_id,
                    const PageState& page_state) override;
   void UpdateTargetURL(const GURL& url) override;
   void Close(RenderViewHost* render_view_host) override;
   void RequestMove(const gfx::Rect& new_bounds) override;
   void DidCancelLoading() override;
   void DocumentAvailableInMainFrame(RenderViewHost* render_view_host) override;
   void RouteCloseEvent(RenderViewHost* rvh) override;
   void RouteMessageEvent(RenderViewHost* rvh,
                          const ViewMsg_PostMessage_Params& params) override;
@@ skipping 796 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_