Enable users of NotificationUIManager to specify binary images.

ui/message_center/notification_list.h

Index: ui/message_center/notification_list.h
diff --git a/ui/message_center/notification_list.h b/ui/message_center/notification_list.h
index 415585376ebc116b32a2cb9e20d034755b9afa50..49dba304e7976de93931302d8a886acb708bdf20 100644
--- a/ui/message_center/notification_list.h
+++ b/ui/message_center/notification_list.h
@@ -58,21 +58,10 @@ class MESSAGE_CENTER_EXPORT NotificationList {
   void SetMessageCenterVisible(bool visible,
                                std::set<std::string>* updated_ids);
 
-  void AddNotification(NotificationType type,
-                       const std::string& id,
-                       const string16& title,
-                       const string16& message,
-                       const string16& display_source,
-                       const std::string& extension_id,
-                       const base::DictionaryValue* optional_fields,
-                       NotificationDelegate* delegate);
+  void AddNotification(scoped_ptr<Notification> notification);
 
   void UpdateNotificationMessage(const std::string& old_id,
-                                 const std::string& new_id,
-                                 const string16& title,
-                                 const string16& message,
-                                 const base::DictionaryValue* optional_fields,
-                                 NotificationDelegate* delegate);
+                                 scoped_ptr<Notification> new_notification);
 
   void RemoveNotification(const std::string& id);