Remove dependency on PrefChangeRegistrar and renderer_preferences_util from content.

content/browser/tab_contents/tab_contents_observer.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 CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_OBSERVER_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_OBSERVER_H_
 
 #include "content/browser/tab_contents/navigation_controller.h"
 #include "content/common/page_transition_types.h"
 #include "ipc/ipc_channel.h"
@@ skipping 22 matching lines @@
     // afterwards.
     void Observe(TabContents* tab);
 
    private:
     TabContentsObserver* observer_;
     TabContents* tab_;
 
     DISALLOW_COPY_AND_ASSIGN(Registrar);
   };
 
+  virtual void RenderViewCreated(RenderViewHost* render_view_host);
   virtual void NavigateToPendingEntry(
       const GURL& url,
       NavigationController::ReloadType reload_type);
-
   virtual void DidNavigateMainFramePostCommit(
       const NavigationController::LoadCommittedDetails& details,
       const ViewHostMsg_FrameNavigate_Params& params);
   virtual void DidNavigateAnyFramePostCommit(
       const NavigationController::LoadCommittedDetails& details,
       const ViewHostMsg_FrameNavigate_Params& params);
   // |render_view_host| is the RenderViewHost for which the provisional load is
   // happening.
   virtual void DidStartProvisionalLoadForFrame(
       int64 frame_id,
@@ skipping 82 matching lines @@
 
   TabContents* tab_contents_;
 
   // The routing ID of the associated TabContents.
   int routing_id_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContentsObserver);
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_OBSERVER_H_