Update appearance of read Ash notifications.

ash/system/web_notification/web_notification_tray.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 ASH_SYSTEM_NOTIFICATION_WEB_NOTIFICATION_TRAY_H_
 #define ASH_SYSTEM_NOTIFICATION_WEB_NOTIFICATION_TRAY_H_
 
 #include "ash/ash_export.h"
 #include "ash/system/tray/tray_background_view.h"
 #include "ash/system/user/login_status.h"
@@ skipping 134 matching lines @@
   }
   Bubble* message_center_bubble() const { return message_center_bubble_.get(); }
   Bubble* notification_bubble() const { return notification_bubble_.get(); }
 
   scoped_ptr<internal::WebNotificationList> notification_list_;
   scoped_ptr<Bubble> message_center_bubble_;
   scoped_ptr<Bubble> notification_bubble_;
   views::Label* count_label_;
   Delegate* delegate_;
   bool show_message_center_on_unlock_;
-  int unread_count_;
 
   DISALLOW_COPY_AND_ASSIGN(WebNotificationTray);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_NOTIFICATION_WEB_NOTIFICATION_TRAY_H_