Split FaviconHelper in two: ImageLoadingHelper and FaviconHelper

chrome/browser/ui/views/ash/balloon_view_ash.cc

 // 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.
 
 #include "chrome/browser/ui/views/ash/balloon_view_ash.h"
 
 #include "ash/shell.h"
 #include "ash/system/web_notification/web_notification_tray.h"
 #include "base/logging.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 71 matching lines @@
     return;
   }
 
   content::WebContents* contents =
       content::WebContents::FromRenderViewHost(host);
   if (!contents) {
     LOG(WARNING) << "Notification needs an image but has no WebContents";
     return;
   }
 
-  contents->DownloadFavicon(url_, size_, base::Bind(&ImageDownload::Downloaded,
-                                                    AsWeakPtr()));
+  contents->DownloadImage(url_, size_, base::Bind(&ImageDownload::Downloaded,
+                                                  AsWeakPtr()));
 }
 
 
 BalloonViewAsh::ImageDownload::~ImageDownload() {
 }
 
 void BalloonViewAsh::ImageDownload::Downloaded(
     int download_id,
     const GURL& image_url,
     int requested_size,
@@ skipping 121 matching lines @@
               message_center::kNotificationButtonIconSize,
               base::Bind(&BalloonViewAsh::SetNotificationButtonIcon,
                          base::Unretained(this),
                          notification.notification_id(),
                          i))));
         }
       }
     }
   }
 }