Move most of the remaining users of WebContentsObserver::tab_contents() to use web_contents().

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 24 matching lines @@
 struct WebDropData;
 struct WebMenuItem;
 struct WebPreferences;
 
 namespace base {
 class ListValue;
 }
 
 namespace content {
 class BrowserContext;
+class WebContents;
 struct FileChooserParams;
 struct Referrer;
 struct RendererPreferences;
 }
 
 namespace gfx {
 class Point;
 class Rect;
 class Size;
 }
@@ skipping 131 matching lines @@
   virtual RendererManagement* GetRendererManagementDelegate();
 
   // IPC::Channel::Listener implementation.
   // This is used to give the delegate a chance to filter IPC messages.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // 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
+  // not a TabContents, returns NULL. DEPRECATED: Be sure to include brettw or
   // jam as reviewers before you use this method. http://crbug.com/82582
   virtual TabContents* GetAsTabContents();
+  virtual content::WebContents* GetAsWebContents();
 
   // 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.
@@ skipping 181 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_