Start delegating notifications to MessageCenter on Windows.

chrome/browser/notifications/notification_ui_manager_impl.h

Index: chrome/browser/notifications/notification_ui_manager_impl.h
diff --git a/chrome/browser/notifications/notification_ui_manager_impl.h b/chrome/browser/notifications/notification_ui_manager_impl.h
index 5f89c9726e7e6e77e59702e5250aeebb789a81c5..6dc30b0c9a460dbc86e55c022183e974f57879b9 100644
--- a/chrome/browser/notifications/notification_ui_manager_impl.h
+++ b/chrome/browser/notifications/notification_ui_manager_impl.h
@@ -52,7 +52,8 @@ class NotificationUIManagerImpl
 
  // Replace an existing notification of the same id with this one if applicable;
  // subclass returns 'true' if the replacement happened.
- virtual bool UpdateNotification(const Notification& notification) = 0;
+ virtual bool UpdateNotification(const Notification& notification,
+                                 Profile* profile) = 0;
 
  // Attempts to display notifications from the show_queue. Invoked by subclasses
  // if they previously returned 'false' from ShowNotifications, which may happen
@@ -72,7 +73,7 @@ class NotificationUIManagerImpl
 
   // Replace an existing notification with this one if applicable;
   // returns true if the replacement happened.
-  bool TryReplacement(const Notification& notification);
+  bool TryReplacement(const Notification& notification, Profile* profile);
 
   // Checks the user state to decide if we want to show the notification.
   void CheckUserState();