Process incoming updates and deletes properly.

chrome/browser/notifications/sync_notifier/chrome_notifier_service.h

Index: chrome/browser/notifications/sync_notifier/chrome_notifier_service.h
diff --git a/chrome/browser/notifications/sync_notifier/chrome_notifier_service.h b/chrome/browser/notifications/sync_notifier/chrome_notifier_service.h
index fdbd7f14fa1ebbaf3c242309ef098b70754eec8f..61ff02b853c052025485d626f6b76f8b41b8f0e3 100644
--- a/chrome/browser/notifications/sync_notifier/chrome_notifier_service.h
+++ b/chrome/browser/notifications/sync_notifier/chrome_notifier_service.h
@@ -91,9 +91,15 @@ class ChromeNotifierService : public syncer::SyncableService,
   // Add a notification to our list.  This takes ownership of the pointer.
   void Add(scoped_ptr<notifier::SyncedNotification> notification);
 
+  // Display this notification in the notification center, or remove it.
+  void UpdateInMessageCenter(notifier::SyncedNotification* notification);
+
   // Display a notification in the notification center (eventually).
   void Display(notifier::SyncedNotification* notification);
 
+  // Remove a notification from our store.
+  void FreeNotificationById(const std::string& notification_id);
+
   // Back pointer to the owning profile.
   Profile* const profile_;
   NotificationUIManager* const notification_manager_;