Enabling Aura-Mus clients to submit frames to Mus.

ui/views/mus/mus_client.h

Index: ui/views/mus/mus_client.h
diff --git a/ui/views/mus/mus_client.h b/ui/views/mus/mus_client.h
index 3c7bb39bd011f475a88e70dac42b15cdc5c5ecfb..21475dfccdd88fdb0f0a0dbf0fbb137dc3069832 100644
--- a/ui/views/mus/mus_client.h
+++ b/ui/views/mus/mus_client.h
@@ -16,6 +16,7 @@
 
 namespace aura {
 class Env;
+class GpuService;
 class PropertyConverter;
 class Window;
 class WindowPort;
@@ -31,10 +32,6 @@ class Connector;
 class Identity;
 }
 
-namespace ui {
-class GpuService;
-}
-
 namespace wm {
 class FocusController;
 class WMState;
@@ -109,7 +106,7 @@ class VIEWS_MUS_EXPORT MusClient
 
   std::unique_ptr<aura::WindowTreeClient> window_tree_client_;
 
-  std::unique_ptr<ui::GpuService> gpu_service_;
+  std::unique_ptr<aura::GpuService> gpu_service_;
 
   std::unique_ptr<SurfaceContextFactory> compositor_context_factory_;