Move MessageLoop to base namespace.

chrome/browser/chromeos/login/user_image_loader.h

 // Copyright (c) 2013 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_LOADER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_USER_IMAGE_LOADER_H_
 
 #include <map>
 #include <string>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/image_decoder.h"
 
+class SkBitmap;
+
+namespace base {
 class MessageLoop;
-class SkBitmap;
+}
 
 namespace chromeos {
 
 typedef base::SequencedWorkerPool::SequenceToken SequenceToken;
 
 class UserImage;
 
 // A facility to read a file containing user image asynchronously in the IO
 // thread. Returns the image in the form of an SkBitmap.
 class UserImageLoader : public base::RefCountedThreadSafe<UserImageLoader>,
@@ skipping 40 matching lines @@
   void LoadImage(const std::string& filepath,
                  const ImageInfo& image_info,
                  scoped_refptr<base::SequencedTaskRunner> task_runner);
 
   // ImageDecoder::Delegate implementation.
   virtual void OnImageDecoded(const ImageDecoder* decoder,
                               const SkBitmap& decoded_image) OVERRIDE;
   virtual void OnDecodeImageFailed(const ImageDecoder* decoder) OVERRIDE;
 
   // The message loop object of the thread in which we notify the delegate.
-  MessageLoop* target_message_loop_;
+  base::MessageLoop* target_message_loop_;
 
   // Specify how the file should be decoded in the utility process.
   const ImageDecoder::ImageCodec image_codec_;
 
   // Proctect image_info_map_
   base::Lock lock_;
 
   // Holds info structures about all images we're trying to decode.
   // Accessed on multiple worker threads.
   ImageInfoMap image_info_map_;
 
   DISALLOW_COPY_AND_ASSIGN(UserImageLoader);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USER_IMAGE_LOADER_H_