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

chrome/browser/download/download_request_limiter.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_DOWNLOAD_DOWNLOAD_REQUEST_LIMITER_H_
 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_REQUEST_LIMITER_H_
 #pragma once
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class DownloadRequestInfoBarDelegate;
-class TabContents;
 class TabContentsWrapper;
 
 namespace content {
 class NavigationController;
 class WebContents;
 }
 
 // DownloadRequestLimiter is responsible for determining whether a download
 // should be allowed or not. It is designed to keep pages from downloading
 // multiple files without user interaction. DownloadRequestLimiter is invoked
@@ skipping 73 matching lines @@
       return download_count_;
     }
 
     // Invoked when a user gesture occurs (mouse click, enter or space). This
     // may result in invoking Remove on DownloadRequestLimiter.
     void OnUserGesture();
 
     // Asks the user if they really want to allow the download.
     // See description above CanDownloadOnIOThread for details on lifetime of
     // callback.
-    void PromptUserForDownload(TabContents* tab,
+    void PromptUserForDownload(content::WebContents* tab,
                                DownloadRequestLimiter::Callback* callback);
 
     // Are we showing a prompt to the user?
     bool is_showing_prompt() const { return (infobar_ != NULL); }
 
     // NavigationController we're tracking.
     content::NavigationController* controller() const { return controller_; }
 
     // Invoked from DownloadRequestDialogDelegate. Notifies the delegates and
     // changes the status appropriately. Virtual for testing.
@@ skipping 43 matching lines @@
     // Handles showing the infobar to the user, may be null.
     DownloadRequestInfoBarDelegate* infobar_;
 
     DISALLOW_COPY_AND_ASSIGN(TabDownloadState);
   };
 
   DownloadRequestLimiter();
 
   // Returns the download status for a page. This does not change the state in
   // anyway.
-  DownloadStatus GetDownloadStatus(TabContents* tab);
+  DownloadStatus GetDownloadStatus(content::WebContents* tab);
 
   // Updates the state of the page as necessary and notifies the callback.
   // WARNING: both this call and the callback are invoked on the io thread.
   //
   // DownloadRequestLimiter does not retain/release the Callback. It is up to
   // the caller to ensure the callback is valid until the request is complete.
   void CanDownloadOnIOThread(int render_process_host_id,
                              int render_view_id,
                              int request_id,
                              Callback* callback);
@@ skipping 63 matching lines @@
   // the TabDownloadState is removed and deleted (by way of Remove).
   typedef std::map<content::NavigationController*, TabDownloadState*> StateMap;
   StateMap state_map_;
 
   static TestingDelegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadRequestLimiter);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_REQUEST_LIMITER_H_