[Download Notification] Use NotificationUIManager instead of MessageCenter

chrome/browser/notifications/profile_notification.h

Index: chrome/browser/notifications/profile_notification.h
diff --git a/chrome/browser/notifications/profile_notification.h b/chrome/browser/notifications/profile_notification.h
index 13952333e2ec142ee3496ea563793f6974cc4eba..73267ad5b4f8fdba9431031ff3c90d4137d0d202 100644
--- a/chrome/browser/notifications/profile_notification.h
+++ b/chrome/browser/notifications/profile_notification.h
@@ -28,6 +28,11 @@ class ProfileNotification {
   const Notification& notification() const { return notification_; }
 
  private:
+  friend class MessageCenterNotificationManager;
+  void CopyNotificationState(message_center::Notification* base) {
+    notification_.CopyState(base);
+  }
+
   // Weak, guaranteed not to be used after profile removal by parent class.
   Profile* profile_;