Get rid of a bunch of tab_contents.h includes from chrome. These are all trivial changes to use W...

chrome/browser/sessions/restore_tab_helper.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 CHROME_BROWSER_SESSIONS_RESTORE_TAB_HELPER_H_
 #define CHROME_BROWSER_SESSIONS_RESTORE_TAB_HELPER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "chrome/browser/sessions/session_id.h"
 #include "content/public/browser/web_contents_observer.h"
 
 // This class keeps the extension API's windowID up-to-date with the current
 // window of the tab.
 class RestoreTabHelper : public content::WebContentsObserver {
  public:
-  explicit RestoreTabHelper(TabContents* contents);
+  explicit RestoreTabHelper(content::WebContents* contents);
   virtual ~RestoreTabHelper();
 
   // Returns the identifier used by session restore for this tab.
   const SessionID& session_id() const { return session_id_; }
 
   // Identifier of the window the tab is in.
   void SetWindowID(const SessionID& id);
   const SessionID& window_id() const { return window_id_; }
 
   // content::WebContentsObserver:
   virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE;
 
  private:
-  TabContents* contents_;
-
   // Unique identifier of the tab for session restore. This id is only unique
   // within the current session, and is not guaranteed to be unique across
   // sessions.
   const SessionID session_id_;
 
   // Unique identifier of the window the tab is in.
   SessionID window_id_;
 
   DISALLOW_COPY_AND_ASSIGN(RestoreTabHelper);
 };
 
 #endif  // CHROME_BROWSER_SESSIONS_RESTORE_TAB_HELPER_H_