Google Now Message Center Stats

ui/message_center/message_center_observer.h

Index: ui/message_center/message_center_observer.h
diff --git a/ui/message_center/message_center_observer.h b/ui/message_center/message_center_observer.h
index 901b60e54a12db8c4617730398fc7d2255cb285c..80c8bd7cb5bea5505850a51fcff5d1db587a9db6 100644
--- a/ui/message_center/message_center_observer.h
+++ b/ui/message_center/message_center_observer.h
@@ -42,7 +42,9 @@ class MESSAGE_CENTER_EXPORT MessageCenterObserver {
 
   // Called when the notification associated with |notification_id| is actually
   // displayed.
-  virtual void OnNotificationDisplayed(const std::string& notification_id) {}
+  virtual void OnNotificationDisplayed(
+      const std::string& notification_id,
+      const NotificationDisplaySource source) {}
 
   // Called when the notification center is shown or hidden.
   virtual void OnCenterVisibilityChanged(Visibility visibility) {}