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

ui/gfx/gfx.gyp

 # Copyright (c) 2013 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.
 
 {
  'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 11 matching lines @@
       # GN version: //ui/gfx/geometry/mojo
       'target_name': 'mojo_geometry_bindings_mojom',
       'type': 'none',
       'variables': {
         'mojom_files': [
           'geometry/mojo/geometry.mojom',
         ],
         'mojom_typemaps': [
           'geometry/mojo/geometry.typemap',
         ],
+        'use_new_wrapper_types': 'false',
       },
       'includes': [ '../../mojo/mojom_bindings_generator_explicit.gypi' ],
     },
     {
       # GN version: //ui/gfx/geometry/mojo
       'target_name': 'mojo_geometry_bindings',
       'type': 'static_library',
       'dependencies': [
         'mojo_geometry_bindings_mojom',
         '../../mojo/mojo_public.gyp:mojo_cpp_bindings',
@@ skipping 539 matching lines @@
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
         },
       ],
     }],
   ],
 }