Make ProfileImageDownloader available to non-chromeos code

chrome/browser/chromeos/login/user_image_loader.cc

 // 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.
 
 #include "chrome/browser/chromeos/login/user_image_loader.h"
 
 #include "base/bind.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "chrome/browser/chromeos/login/helper.h"
-#include "chrome/browser/chromeos/login/image_decoder.h"
 #include "content/public/browser/browser_thread.h"
 #include "skia/ext/image_operations.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "ui/gfx/skbitmap_operations.h"
 
 using content::BrowserThread;
 
 namespace chromeos {
 
@@ skipping 70 matching lines @@
 
   image_info_map_.erase(info_it);
 }
 
 void UserImageLoader::OnDecodeImageFailed(const ImageDecoder* decoder) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   image_info_map_.erase(decoder);
 }
 
 }  // namespace chromeos