FBTB: Remove unneeded #includes of base/ref_counted.h and base/string16.h in src/chrome.

chrome/browser/chromeos/login/user_image_downloader.h

 // Copyright (c) 2010 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_CHROMEOS_LOGIN_USER_IMAGE_DOWNLOADER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_USER_IMAGE_DOWNLOADER_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
-#include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "chrome/browser/chromeos/login/image_decoder.h"
 #include "chrome/common/net/url_fetcher.h"
 
 class ListValue;
 
 namespace chromeos {
 
 // Gets user image URL from user's Google Profile, downloads the image,
 // executes image decode and calls UserManager to store image in a file with
@@ skipping 54 matching lines @@
   // Authentication token to use for image download.
   std::string auth_token_;
 
   DISALLOW_COPY_AND_ASSIGN(UserImageDownloader);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USER_IMAGE_DOWNLOADER_H_