TabContents -> WebContentsImpl, part 19.

content/browser/browser_plugin/browser_plugin_web_contents_observer.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_BROWSER_PLUGIN_BROWSER_PLUGIN_WEB_CONTENTS_OBSERVER_H__
 #define CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_WEB_CONTENTS_OBSERVER_H__
 #pragma once
 
 #include <map>
 
@@ skipping 36 matching lines @@
       int64 frame_id,
       bool is_main_frame,
       const GURL& url,
       PageTransition transition_type) OVERRIDE;
 
   virtual void RenderViewDeleted(
       RenderViewHost* render_view_host) OVERRIDE;
 
   virtual void RenderViewGone(base::TerminationStatus status) OVERRIDE;
 
-  virtual void WebContentsDestroyed(WebContents* tab) OVERRIDE;
+  virtual void WebContentsDestroyed(WebContents* web_contents) OVERRIDE;
 
  private:
   typedef std::map<WebContentsImpl*, int64> GuestMap;
 
   void OnOpenChannelToBrowserPlugin(int32 instance_id,
                                     long long frame_id,
                                     const std::string& src,
                                     const gfx::Size& size);
 
   void OnGuestReady();
@@ skipping 17 matching lines @@
   // An identifier that uniquely identifies a browser plugin container
   // within a host.
   int instance_id_;
 
   GuestMap guests_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_WEB_CONTENTS_OBSERVER_H_