| Index: services/ui/demo/mus_demo.h | 
| diff --git a/services/ui/demo/mus_demo.h b/services/ui/demo/mus_demo.h | 
| index fc2ce73611566d9fee3166ac8a591ffb51e10905..bf8c1276e41ffd945ea26ed68a14f154a6e0e4c9 100644 | 
| --- a/services/ui/demo/mus_demo.h | 
| +++ b/services/ui/demo/mus_demo.h | 
| @@ -50,8 +50,8 @@ class MusDemo : public service_manager::Service, | 
|  | 
| private: | 
| virtual void OnStartImpl( | 
| -      std::unique_ptr<aura::WindowTreeClient>& window_tree_client, | 
| -      std::unique_ptr<WindowTreeData>& window_tree_data) = 0; | 
| +      std::unique_ptr<aura::WindowTreeClient>* window_tree_client, | 
| +      std::unique_ptr<WindowTreeData>* window_tree_data) = 0; | 
|  | 
| // service_manager::Service: | 
| void OnStart() override; | 
|  |