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

ios/web/ios_web.gyp

 # Copyright 2014 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 524 matching lines @@
       ],
     },
     {
       # GN version: //ios/web/test:mojo_bindings
       'target_name': 'test_mojo_bindings_mojom',
       'type': 'none',
       'variables': {
         'mojom_files': [
           'test/mojo_test.mojom',
         ],
+        'use_new_wrapper_types': 'false',
       },
       'include_dirs': [
         '..',
       ],
       'includes': [ '../../mojo/mojom_bindings_generator_explicit.gypi' ],
     },
     {
       # GN version: //ios/web/test:mojo_bindings
       'target_name': 'test_mojo_bindings',
       'type': 'static_library',
@@ skipping 16 matching lines @@
       'dependencies': [
         '../../base/base.gyp:base'
       ],
       'sources': [
         'public/user_agent.h',
         'public/user_agent.mm',
       ],
     },
   ],
 }