| Index: services/ui/demo/mus_demo.cc | 
| diff --git a/services/ui/demo/mus_demo.cc b/services/ui/demo/mus_demo.cc | 
| index d528244a6a6f51ae65b07e2831ba90d64764fef1..40ce7d89a081d997186336e12094b737addfc0a4 100644 | 
| --- a/services/ui/demo/mus_demo.cc | 
| +++ b/services/ui/demo/mus_demo.cc | 
| @@ -134,6 +134,8 @@ void MusDemo::OnWmDisplayRemoved(ui::Window* window) { | 
| window->Destroy(); | 
| } | 
|  | 
| +void MusDemo::OnWmDisplayModified(const display::Display& display) {} | 
| + | 
| void MusDemo::OnWmPerformMoveLoop(Window* window, | 
| mojom::MoveLoopSource source, | 
| const gfx::Point& cursor_location, | 
|  |