content: Use base::MessageLoop.

content/browser/download/drag_download_file.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_DOWNLOAD_DRAG_DOWNLOAD_FILE_H_
 #define CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_FILE_H_
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 45 matching lines @@
   class DragDownloadFileUI;
   enum State {INITIALIZED, STARTED, SUCCESS, FAILURE};
 
   virtual ~DragDownloadFile();
 
   void DownloadCompleted(bool is_successful);
   void CheckThread();
 
   base::FilePath file_path_;
   scoped_ptr<net::FileStream> file_stream_;
-  MessageLoop* drag_message_loop_;
+  base::MessageLoop* drag_message_loop_;
   State state_;
   scoped_refptr<ui::DownloadFileObserver> observer_;
   base::RunLoop nested_loop_;
   DragDownloadFileUI* drag_ui_;
   base::WeakPtrFactory<DragDownloadFile> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DragDownloadFile);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_FILE_H_