Mojo C++ bindings: make the generator use STL/WTF string/vector/map by default.

services/shell/tests/shutdown/BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//mojo/public/mojo_application.gni")
 import("//mojo/public/mojo_application_manifest.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//testing/test.gni")
 
 source_set("shutdown") {
@@ skipping 17 matching lines @@
     ":shutdown_client",
     ":shutdown_service",
     ":shutdown_unittest_manifest",
   ]
 }
 
 mojom("interfaces") {
   sources = [
     "shutdown_unittest.mojom",
   ]
+
+  use_new_wrapper_types = false
 }
 
 mojo_application_manifest("shutdown_unittest_manifest") {
   application_name = "shutdown_unittest"
   source = "shutdown_unittest_manifest.json"
 }
 
 mojo_application_manifest("shutdown_service_manifest") {
   application_name = "shutdown_service"
   source = "shutdown_service_manifest.json"
@@ skipping 28 matching lines @@
   deps = [
     ":interfaces",
     "//base",
     "//services/shell/public/cpp:sources",
     "//services/shell/public/interfaces",
   ]
   data_deps = [
     ":shutdown_client_manifest",
   ]
 }