[Media Router] Make MRUIService dispose its dependencies on MRMojoImpl in Shutdown()

chrome/browser/media/router/media_router_ui_service.cc

Index: chrome/browser/media/router/media_router_ui_service.cc
diff --git a/chrome/browser/media/router/media_router_ui_service.cc b/chrome/browser/media/router/media_router_ui_service.cc
index a473e1e5abad8390e46e717b64904a588b411df7..f9b242920e26a080d06f456710d9fa4bef93aa50 100644
--- a/chrome/browser/media/router/media_router_ui_service.cc
+++ b/chrome/browser/media/router/media_router_ui_service.cc
@@ -11,17 +11,22 @@
 namespace media_router {
 
 MediaRouterUIService::MediaRouterUIService(Profile* profile)
-    : action_controller_(profile) {}
+    : action_controller_(
+          base::MakeUnique<MediaRouterActionController>(profile)) {}

[imcheng, 2017/03/27 20:51:06]

nit: new MediaRouteActionController(profile)

[takumif, 2017/03/27 21:49:08]

Done.

 
 MediaRouterUIService::~MediaRouterUIService() {}
 
+void MediaRouterUIService::Shutdown() {
+  action_controller_.reset();
+}
+
 // static
 MediaRouterUIService* MediaRouterUIService::Get(Profile* profile) {
   return MediaRouterUIServiceFactory::GetForBrowserContext(profile);
 }
 
 MediaRouterActionController* MediaRouterUIService::action_controller() {
-  return &action_controller_;
+  return action_controller_.get();
 }
 
 }  // namespace media_router