Index: chrome/browser/gtk/overflow_button.h |
diff --git a/chrome/browser/gtk/overflow_button.h b/chrome/browser/gtk/overflow_button.h |
index 647221e6c44e79262e699da7c128b6e76eb549e1..66724f4ca0432561b7fbd58cca794d6e540ef024 100644 |
--- a/chrome/browser/gtk/overflow_button.h |
+++ b/chrome/browser/gtk/overflow_button.h |
@@ -24,9 +24,9 @@ class OverflowButton : public NotificationObserver { |
private: |
// NotificationObserver implementation. |
- void Observe(NotificationType type, |
- const NotificationSource& source, |
- const NotificationDetails& details); |
+ virtual void Observe(NotificationType type, |
+ const NotificationSource& source, |
+ const NotificationDetails& details); |
OwnedWidgetGtk widget_; |