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 52cc179e14e2f4b626a63e061fa6194d80d8410f..8e692ab151c04bb5ec4fee1606ab239e68d71043 100644 |
--- a/components/mus/public/cpp/window_observer.h |
+++ b/components/mus/public/cpp/window_observer.h |
@@ -97,6 +97,7 @@ class WindowObserver { |
virtual void OnWindowDrawnChanged(Window* window) {} |
protected: |
+ WindowObserver() = default; |
virtual ~WindowObserver() {} |
}; |