Implement aura::WindowPortMus::CreateCompositorFrameSink()

ui/aura/mus/window_tree_client.cc

Index: ui/aura/mus/window_tree_client.cc
diff --git a/ui/aura/mus/window_tree_client.cc b/ui/aura/mus/window_tree_client.cc
index 89481a1e81c78697e05993ded5a0e68043baa271..747d35d49f68d9bfc575886e8aae3b989d008408 100644
--- a/ui/aura/mus/window_tree_client.cc
+++ b/ui/aura/mus/window_tree_client.cc
@@ -697,7 +697,8 @@ void WindowTreeClient::ScheduleInFlightBoundsChange(
   base::Optional<cc::LocalSurfaceId> local_surface_id;
   if (window->window_mus_type() == WindowMusType::TOP_LEVEL_IN_WM ||
       window->window_mus_type() == WindowMusType::EMBED_IN_OWNER ||
-      window->window_mus_type() == WindowMusType::DISPLAY_MANUALLY_CREATED) {
+      window->window_mus_type() == WindowMusType::DISPLAY_MANUALLY_CREATED ||
+      window->HasLocalCompositorFrameSink()) {
     local_surface_id = window->GetOrAllocateLocalSurfaceId(new_bounds.size());
     synchronizing_with_child_on_next_frame_ = true;
   }