Make ProfileImageDownloader available to non-chromeos code

chrome/browser/image_decoder.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_CHROMEOS_LOGIN_IMAGE_DECODER_H_
-#define CHROME_BROWSER_CHROMEOS_LOGIN_IMAGE_DECODER_H_
+#ifndef CHROME_BROWSER_IMAGE_DECODER_H_
+#define CHROME_BROWSER_IMAGE_DECODER_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "content/browser/utility_process_host.h"
 
 class SkBitmap;
 
-namespace chromeos {
-
 // Decodes an image in a sandboxed process.
 class ImageDecoder : public UtilityProcessHost::Client {
  public:
   class Delegate {
    public:
     // Called when image is decoded.
     // |decoder| is used to identify the image in case of decoding several
     // images simultaneously.
     virtual void OnImageDecoded(const ImageDecoder* decoder,
                                 const SkBitmap& decoded_image) = 0;
@@ skipping 26 matching lines @@
   // Launches sandboxed process that will decode the image.
   void DecodeImageInSandbox(const std::vector<unsigned char>& image_data);
 
   Delegate* delegate_;
   std::vector<unsigned char> image_data_;
   content::BrowserThread::ID target_thread_id_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageDecoder);
 };
 
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_IMAGE_DECODER_H_
+#endif  // CHROME_BROWSER_IMAGE_DECODER_H_