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

extensions/extensions.gyp

 # 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.
 
 {
   'includes': [
     'extensions.gypi',
   ],
   'variables': {
     'chromium_code': 1,
@@ skipping 26 matching lines @@
       'sources': [
         '<@(extensions_common_mojo_sources)',
       ],
       'conditions': [
         ['proprietary_codecs==1 and enable_wifi_display==1', {
           'sources': [
             '<@(extensions_common_mojo_sources_wifi_display)',
           ],
         }],
       ],
+      'variables': {
+        'use_new_wrapper_types': 'false',
+      },
     },
     {
       # GN version: //extensions/common
       'target_name': 'extensions_common',
       'type': 'static_library',
       'dependencies': [
         '../components/components.gyp:crx_file',
         '../components/components.gyp:url_matcher',
         '../content/content.gyp:content_common',
         '../crypto/crypto.gyp:crypto',
@@ skipping 266 matching lines @@
               '<(SHARED_INTERMEDIATE_DIR)/blink/devtools_resources.pak',
             ],
             'pak_output': '<(PRODUCT_DIR)/extensions_shell_and_test.pak',
           },
           'includes': [ '../build/repack_action.gypi' ],
         },
       ],
     },
   ]
 }