[cros] OOBE: add histograms for Profile image fetching.

chrome/browser/chromeos/login/profile_image_downloader.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_PROFILE_IMAGE_DOWNLOADER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_PROFILE_IMAGE_DOWNLOADER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 27 matching lines @@
   explicit ProfileImageDownloader(Delegate* delegate);
   virtual ~ProfileImageDownloader();
 
   // Starts downloading the picture if the necessary authorization token is
   // ready. If not, subscribes to token service and starts fetching if the
   // token is available.
   void Start();
 
  private:
   // Overriden from URLFetcher::Delegate:
-  virtual void OnURLFetchComplete(const URLFetcher* source,
-                                  const GURL& url,
-                                  const net::URLRequestStatus& status,
-                                  int response_code,
-                                  const net::ResponseCookies& cookies,
-                                  const std::string& data) OVERRIDE;
+  virtual void OnURLFetchComplete(const URLFetcher* source) OVERRIDE;
 
   // Overriden from ImageDecoder::Delegate:
   virtual void OnImageDecoded(const ImageDecoder* decoder,
                               const SkBitmap& decoded_image) OVERRIDE;
   virtual void OnDecodeImageFailed(const ImageDecoder* decoder) OVERRIDE;
 
   // Overriden from content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
@@ skipping 10 matching lines @@
   scoped_ptr<URLFetcher> user_entry_fetcher_;
   scoped_ptr<URLFetcher> profile_image_fetcher_;
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileImageDownloader);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_PROFILE_IMAGE_DOWNLOADER_H_
-