Use a direct include of the message_loop header in cc/, chrome_frame/, cloud_print/, components.

chrome_frame/delete_chrome_history.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_FRAME_DELETE_CHROME_HISTORY_H_
 #define CHROME_FRAME_DELETE_CHROME_HISTORY_H_
 
 #include <atlbase.h>
 #include <atlwin.h>
 #include <atlcom.h>
 
 #include <deletebrowsinghistory.h>
 
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "chrome_frame/bho.h"
 #include "chrome_frame/chrome_frame_plugin.h"
 #include "chrome_frame/chrome_tab.h"
 #include "grit/chrome_frame_resources.h"
 
 class Bho;
 
 // DeleteChromeHistory: Implements IDeleteBrowsingHistory and
 // pumps cache clearing operations over automation. Blocks the UI
 // thread while operating.  You have been warned.
@@ skipping 29 matching lines @@
 
   virtual void GetProfilePath(const std::wstring& profile_name,
                               base::FilePath* profile_path);
 
  private:
   unsigned long remove_mask_;
   base::MessageLoopForUI loop_;
 };
 
 #endif  // CHROME_FRAME_DELETE_CHROME_HISTORY_H_