Mojo C++ bindings: Generate InterfaceHandle<> instead of InterfacePtr<>.

apps/moterm/moterm_app.cc

Index: apps/moterm/moterm_app.cc
diff --git a/apps/moterm/moterm_app.cc b/apps/moterm/moterm_app.cc
index e8d2e2dbd58efa683578f1a682ca56f92ea7144a..ab8abfa60a7f640430eb5ee5009d955ecf644aad 100644
--- a/apps/moterm/moterm_app.cc
+++ b/apps/moterm/moterm_app.cc
@@ -14,6 +14,6 @@ void MotermApp::CreateView(
     const std::string& connection_url,
     mojo::InterfaceRequest<mojo::ui::ViewOwner> view_owner_request,
     mojo::InterfaceRequest<mojo::ServiceProvider> services,
-    mojo::ServiceProviderPtr exposed_services) {
+    mojo::InterfaceHandle<mojo::ServiceProvider> exposed_services) {
   new MotermView(app_impl(), view_owner_request.Pass(), services.Pass());
 }