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 5ab0722be13c1e9323085dcd8bf4c6743837c74f..e6315ccb9299267ce08d0f8ca13dfd854b3b37c9 100644 |
--- a/ui/message_center/message_center_observer.h |
+++ b/ui/message_center/message_center_observer.h |
@@ -56,6 +56,9 @@ class MESSAGE_CENTER_EXPORT MessageCenterObserver { |
// quiet mode expires. |
virtual void OnQuietModeChanged(bool in_quiet_mode) {} |
+ // Called when the user locks (or unlocks) the screen. |
+ virtual void OnLockedStateChanged(bool locked) {} |
+ |
// Called when the blocking state of |blocker| is changed. |
virtual void OnBlockingStateChanged(NotificationBlocker* blocker) {} |
}; |