Index: components/mus/public/cpp/window_observer.h |
diff --git a/components/mus/public/cpp/window_observer.h b/components/mus/public/cpp/window_observer.h |
index 979428adf8662cbe8f45ac45a461d48b646bf849..4d113ae20fb1a7c92ee311acd57f6123428545d7 100644 |
--- a/components/mus/public/cpp/window_observer.h |
+++ b/components/mus/public/cpp/window_observer.h |
@@ -54,6 +54,7 @@ class WindowObserver { |
virtual void OnWindowBoundsChanged(Window* window, |
const gfx::Rect& old_bounds, |
const gfx::Rect& new_bounds) {} |
+ virtual void OnWindowLostCapture(Window* window) {} |
virtual void OnWindowClientAreaChanged(Window* window, |
const gfx::Insets& old_client_area) {} |