Remove window_manager.mojom.

components/arc/arc_bridge_service_impl.cc

Index: components/arc/arc_bridge_service_impl.cc
diff --git a/components/arc/arc_bridge_service_impl.cc b/components/arc/arc_bridge_service_impl.cc
index f3a35cf9c5991c08b91e15837541244a022d640a..ae1b8601b4ddcb5a8bc749ad848312e8330cf5e8 100644
--- a/components/arc/arc_bridge_service_impl.cc
+++ b/components/arc/arc_bridge_service_impl.cc
@@ -193,7 +193,6 @@ void ArcBridgeServiceImpl::OnChannelClosed() {
   process_.CloseChannel();
   storage_manager_.CloseChannel();
   video_.CloseChannel();
-  window_manager_.CloseChannel();
 }
 
 void ArcBridgeServiceImpl::OnAppInstanceReady(mojom::AppInstancePtr app_ptr) {
@@ -301,10 +300,4 @@ void ArcBridgeServiceImpl::OnVideoInstanceReady(
   video_.OnInstanceReady(std::move(video_ptr));
 }
 
-void ArcBridgeServiceImpl::OnWindowManagerInstanceReady(
-    mojom::WindowManagerInstancePtr window_manager_ptr) {
-  DCHECK(CalledOnValidThread());
-  window_manager_.OnInstanceReady(std::move(window_manager_ptr));
-}
-
 }  // namespace arc