c++ / mojo changes for 'external window mode'

services/ui/service.h

Index: services/ui/service.h
diff --git a/services/ui/service.h b/services/ui/service.h
index 11a52b5a0ede0f85e5fb16de20f7606f268448e1..9c9ff8b4a6aea3b73e21c86ca79afcc9c9997e83 100644
--- a/services/ui/service.h
+++ b/services/ui/service.h
@@ -75,6 +75,8 @@ class Service
       public service_manager::InterfaceFactory<mojom::WindowTreeFactory>,
       public service_manager::InterfaceFactory<mojom::WindowTreeHostFactory>,
       public service_manager::InterfaceFactory<
+          mojom::WindowTreeHostFactoryRegistrar>,
+      public service_manager::InterfaceFactory<
           discardable_memory::mojom::DiscardableSharedMemoryManager>,
       public service_manager::InterfaceFactory<mojom::WindowServerTest> {
  public:
@@ -157,6 +159,10 @@ class Service
   void Create(const service_manager::Identity& remote_identity,
               mojom::WindowTreeHostFactoryRequest request) override;
 
+  // service_manager::InterfaceFactory<mojom::WindowTreeHostFactoryRegistrar>:
+  void Create(const service_manager::Identity& remote_identity,
+              mojom::WindowTreeHostFactoryRegistrarRequest request) override;
+
   // service_manager::InterfaceFactory<
   //    discardable_memory::mojom::DiscardableSharedMemoryManager>:
   void Create(const service_manager::Identity& remote_identity,