Mozart: Publish scene when scene token becomes available.

services/ui/view_manager/view_registry.cc

Index: services/ui/view_manager/view_registry.cc
diff --git a/services/ui/view_manager/view_registry.cc b/services/ui/view_manager/view_registry.cc
index b52cb7180326d2ef7aa18d6906b1f1d965291a27..aee3a466f8af2e4d34c76db26fa1c66fc8244d83 100644
--- a/services/ui/view_manager/view_registry.cc
+++ b/services/ui/view_manager/view_registry.cc
@@ -245,6 +245,8 @@ void ViewRegistry::OnStubSceneTokenAvailable(
   // Store the scene token.
   DCHECK(view_stub->is_linked());
   view_stub->SetStubSceneToken(scene_token.Clone());
+  if (view_stub->state())
+    PublishStubScene(view_stub->state());
 
   // Send view info to the container including the scene token.
   auto view_info = mojo::ui::ViewInfo::New();