Switch BackgroundContents to use TabContents instead of RenderViewHost.

content/browser/renderer_host/render_view_host_delegate.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_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 183 matching lines @@
   virtual bool OnMessageReceived(const IPC::Message& message);
 
   // Gets the URL that is currently being displayed, if there is one.
   virtual const GURL& GetURL() const;
 
   // Return this object cast to a TabContents, if it is one. If the object is
   // not a TabContents, returns NULL. DEPRECATED: Be sure to include brettw and
   // jam as reviewers before you use this method. http://crbug.com/82582
   virtual TabContents* GetAsTabContents();
 
-  // Return this object cast to a BackgroundContents, if it is one. If the
-  // object is not a BackgroundContents, returns NULL.
-  // DEPRECATED: http://crbug.com/98934
-  virtual BackgroundContents* GetAsBackgroundContents();
-
   // Return type of RenderView which is attached with this object.
   virtual content::ViewType GetRenderViewType() const = 0;
 
   // The RenderView is being constructed (message sent to the renderer process
   // to construct a RenderView).  Now is a good time to send other setup events
   // to the RenderView.  This precedes any other commands to the RenderView.
   virtual void RenderViewCreated(RenderViewHost* render_view_host) {}
 
   // The RenderView has been constructed.
   virtual void RenderViewReady(RenderViewHost* render_view_host) {}
@@ skipping 170 matching lines @@
   virtual void RequestToLockMouse() {}
 
   // Notification that the view has lost the mouse lock.
   virtual void LostMouseLock() {}
 
  protected:
   virtual ~RenderViewHostDelegate() {}
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_