Make image_decoder a Leaky LazyInstance

chrome/browser/profiles/profile_downloader.h

 // Copyright (c) 2012 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_PROFILES_PROFILE_DOWNLOADER_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_DOWNLOADER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 77 matching lines @@
   // gaia::GaiaOAuthClient::Delegate implementation.
   void OnGetUserInfoResponse(
       scoped_ptr<base::DictionaryValue> user_info) override;
   void OnOAuthError() override;
   void OnNetworkError(int response_code) override;
 
   // Overriden from net::URLFetcherDelegate:
   void OnURLFetchComplete(const net::URLFetcher* source) override;
 
   // Overriden from ImageDecoder::Delegate:
-  void OnImageDecoded(const ImageDecoder* decoder,
-                      const SkBitmap& decoded_image) override;
-  void OnDecodeImageFailed(const ImageDecoder* decoder) override;
+  void OnImageDecoded(const SkBitmap& decoded_image) override;
+  void OnDecodeImageFailed() override;
 
   // Overriden from OAuth2TokenService::Observer:
   void OnRefreshTokenAvailable(const std::string& account_id) override;
 
   // Overriden from OAuth2TokenService::Consumer:
   void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
                          const std::string& access_token,
                          const base::Time& expiration_time) override;
   void OnGetTokenFailure(const OAuth2TokenService::Request* request,
                          const GoogleServiceAuthError& error) override;
@@ skipping 32 matching lines @@
   base::string16 profile_given_name_;
   std::string profile_locale_;
   SkBitmap profile_picture_;
   PictureStatus picture_status_;
   std::string picture_url_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileDownloader);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_DOWNLOADER_H_