Split FaviconHelper in two: ImageLoadingHelper and FaviconHelper

chrome/browser/notifications/message_center_notification_manager.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/notifications/message_center_notification_manager.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 288 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(
+  contents->DownloadImage(
       url,
       false,
       size,
       base::Bind(
           &MessageCenterNotificationManager::ImageDownloads::DownloadComplete,
           AsWeakPtr(),
           callback));
 }
 
 void MessageCenterNotificationManager::ImageDownloads::StartDownloadByKey(
@@ skipping 84 matching lines @@
 
 MessageCenterNotificationManager::ProfileNotification*
     MessageCenterNotificationManager::FindProfileNotification(
         const std::string& id) const {
   NotificationMap::const_iterator iter = profile_notifications_.find(id);
   // If the notification is shown in UI, it must be in the map.
   DCHECK(iter != profile_notifications_.end());
   DCHECK((*iter).second);
   return (*iter).second;
 }