Fixes the context menu for a notification.

ui/message_center/views/message_popup_collection.h

Index: ui/message_center/views/message_popup_collection.h
diff --git a/ui/message_center/views/message_popup_collection.h b/ui/message_center/views/message_popup_collection.h
index 48345d80d75c6784805b6ff69b36b6885691a08c..5aee25c829e4475ecf8a5a439dda20f714e4c71c 100644
--- a/ui/message_center/views/message_popup_collection.h
+++ b/ui/message_center/views/message_popup_collection.h
@@ -42,6 +42,7 @@ class MessagePopupCollectionTest;
 
 class MessageCenter;
 class MessageCenterTray;
+class MessageViewContextMenuController;
 
 enum PopupAlignment {
   POPUP_ALIGNMENT_TOP = 1 << 0,
@@ -74,9 +75,9 @@ class MESSAGE_CENTER_EXPORT MessagePopupCollection
   virtual void ClickOnNotification(const std::string& notification_id) OVERRIDE;
   virtual void RemoveNotification(const std::string& notification_id,
                                   bool by_user) OVERRIDE;
-  virtual void DisableNotificationsFromThisSource(
-      const NotifierId& notifier_id) OVERRIDE;
-  virtual void ShowNotifierSettingsBubble() OVERRIDE;
+  virtual scoped_ptr<ui::MenuModel> CreateMenuModel(
+      const NotifierId& notifier_id,
+      const base::string16& display_source) OVERRIDE;
   virtual bool HasClickedListener(const std::string& notification_id) OVERRIDE;
   virtual void ClickOnNotificationButton(const std::string& notification_id,
                                          int button_index) OVERRIDE;
@@ -216,6 +217,8 @@ class MESSAGE_CENTER_EXPORT MessagePopupCollection
   // True if the first item should not have spacing against the tray.
   bool first_item_has_no_margin_;
 
+  scoped_ptr<MessageViewContextMenuController> context_menu_controller_;
+
   // Gives out weak pointers to toast contents views which have an unrelated
   // lifetime.  Must remain the last member variable.
   base::WeakPtrFactory<MessagePopupCollection> weak_factory_;