Enable users of NotificationUIManager to specify binary images.

ui/message_center/message_center.h

Index: ui/message_center/message_center.h
diff --git a/ui/message_center/message_center.h b/ui/message_center/message_center.h
index 7be6cc818831b5cd17a6de627b0851a39c248d89..ff247d3b4b0a0d7261e560241fdf26c884c9be87 100644
--- a/ui/message_center/message_center.h
+++ b/ui/message_center/message_center.h
@@ -84,32 +84,13 @@ class MESSAGE_CENTER_EXPORT MessageCenter {
 
   // Basic operations of notification: add/remove/update.
 
-  // Adds a new notification. |id| is a unique identifier, used to update or
-  // remove notifications. |title| and |meesage| describe the notification text.
-  // Use SetNotificationIcon, SetNotificationImage, or SetNotificationButtonIcon
-  // to set images. If |extension_id| is provided then 'Disable extension' will
-  // appear in a dropdown menu and the id will be used to disable notifications
-  // from the extension. Otherwise if |display_source| is provided, a menu item
-  // showing the source and allowing notifications from that source to be
-  // disabled will be shown. All actual disabling is handled by the Delegate.
-  virtual 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) = 0;
+  // Adds a new notification.
+  virtual void AddNotification(scoped_ptr<Notification> notification) = 0;
 
   // Updates an existing notification with id = old_id and set its id to new_id.
-  // |delegate| and |optional_fields| can be NULL in case of no updates on
-  // those fields.
-  virtual void UpdateNotification(const std::string& old_id,
-                                  const std::string& new_id,
-                                  const string16& title,
-                                  const string16& message,
-                                  const base::DictionaryValue* optional_fields,
-                                  NotificationDelegate* delegate) = 0;
+  virtual void UpdateNotification(
+      const std::string& old_id,
+      scoped_ptr<Notification> new_notification) = 0;
 
   // Removes an existing notification.
   virtual void RemoveNotification(const std::string& id, bool by_user) = 0;