Remove unnecessary image downloading handler of notifications.

chrome/browser/notifications/notification.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_NOTIFICATIONS_NOTIFICATION_H_
 #define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 29 matching lines @@
   Notification(const Notification& notification);
   virtual ~Notification();
   Notification& operator=(const Notification& notification);
 
   // The origin URL of the script which requested the notification.
   const GURL& origin_url() const { return origin_url_; }
 
   // A unique identifier used to update (replace) or remove a notification.
   const base::string16& replace_id() const { return replace_id_; }
 
-  // A url for the button icons to be shown (optional).
-  const GURL& button_one_icon_url() const { return button_one_icon_url_; }
-  const GURL& button_two_icon_url() const { return button_two_icon_url_; }
-
-  // A url for the image to be shown (optional).
-  const GURL& image_url() const { return image_url_; }
-
   // Id of the delegate embedded inside this instance.
   std::string delegate_id() const { return delegate()->id(); }
 
   NotificationDelegate* delegate() const { return delegate_.get(); }
 
  private:
   // The Origin of the page/worker which created this notification.
   GURL origin_url_;
 
-  // The URLs of the button images for a rich notification.
-  GURL button_one_icon_url_;
-  GURL button_two_icon_url_;
-
-  // The URL of a large image to be displayed for a a rich notification.
-  GURL image_url_;
-
   // The user-supplied replace ID for the notification.
   base::string16 replace_id_;
 
   // A proxy object that allows access back to the JavaScript object that
   // represents the notification, for firing events.
   scoped_refptr<NotificationDelegate> delegate_;
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_H_