Make Mozart view manager use the new compositor.

services/ui/view_manager/view_manager_impl.h

Index: services/ui/view_manager/view_manager_impl.h
diff --git a/services/ui/view_manager/view_manager_impl.h b/services/ui/view_manager/view_manager_impl.h
index db84e4f24f2e5115e1b578f18399ed5d18633ffd..89c463feedbe03e0b7399cc58ae4223146d44700 100644
--- a/services/ui/view_manager/view_manager_impl.h
+++ b/services/ui/view_manager/view_manager_impl.h
@@ -6,7 +6,6 @@
 #define SERVICES_UI_VIEW_MANAGER_VIEW_MANAGER_IMPL_H_
 
 #include "base/macros.h"
-#include "mojo/common/strong_binding_set.h"
 #include "mojo/services/ui/views/interfaces/view_manager.mojom.h"
 #include "services/ui/view_manager/view_registry.h"
 
@@ -23,10 +22,12 @@ class ViewManagerImpl : public mojo::ui::ViewManager {
   void RegisterView(
       mojo::ui::ViewPtr view,
       mojo::InterfaceRequest<mojo::ui::ViewHost> view_host_request,
+      const mojo::String& label,
       const RegisterViewCallback& callback) override;
   void RegisterViewTree(
       mojo::ui::ViewTreePtr view_tree,
       mojo::InterfaceRequest<mojo::ui::ViewTreeHost> view_tree_host_request,
+      const mojo::String& label,
       const RegisterViewTreeCallback& callback) override;
 
   ViewRegistry* registry_;