| Index: components/mus/view_tree_host_impl.h | 
| diff --git a/components/mus/view_tree_host_impl.h b/components/mus/view_tree_host_impl.h | 
| index 3aaeb808fe88f0808c0e586f4791ae6f2dd8b7eb..0b7f1b97a2280c70fa462f00579d9e4dc70f0264 100644 | 
| --- a/components/mus/view_tree_host_impl.h | 
| +++ b/components/mus/view_tree_host_impl.h | 
| @@ -96,7 +96,7 @@ class ViewTreeHostImpl : public DisplayManagerDelegate, | 
|  | 
| // DisplayManagerDelegate: | 
| ServerView* GetRootView() override; | 
| -  void OnEvent(mojo::EventPtr event) override; | 
| +  void OnEvent(ViewId id, mojo::EventPtr event) override; | 
| void OnDisplayClosed() override; | 
| void OnViewportMetricsChanged( | 
| const mojo::ViewportMetrics& old_metrics, | 
|  |