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

components/startup_metric_utils.gypi

 # Copyright 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.
 
 # We have 2 separate browser targets because //components/html_viewer requires
 # startup_metric_utils_browser, but has symbols that conflict with mojo symbols
 # that startup_metric_utils_browser_host indirectly depends on.
 
 {
   'targets': [
@@ skipping 41 matching lines @@
       'sources': [
         'startup_metric_utils/common/startup_metric.mojom',
       ],
       'dependencies': [
         '<(DEPTH)/mojo/mojo_base.gyp:mojo_common_custom_types_mojom',
       ],
       'variables': {
         'mojom_typemaps': [
           '<(DEPTH)/mojo/common/common_custom_types.typemap',
         ],
+        'use_new_wrapper_types': 'false',
       },
       'includes': [
         '../mojo/mojom_bindings_generator.gypi',
       ],
     },
   ],
   'conditions': [
     ['OS == "win"', {
       'targets': [
         {
           # GN version: //components/startup_metric_utils/common
           'target_name': 'startup_metric_utils_win',
           'type': 'static_library',
           'dependencies': [
             '../base/base.gyp:base',
             'components.gyp:variations',
           ],
           'include_dirs': [
             '..',
           ],
           'sources': [
             'startup_metric_utils/common/pre_read_field_trial_utils_win.cc',
             'startup_metric_utils/common/pre_read_field_trial_utils_win.h',
           ],
         },
       ],
     }],
   ],
 }