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

extensions/common/BUILD.gn

 # 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.
 
 import("//build/config/features.gni")
 import("//extensions/extensions.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 # GYP version: extensions/extensions.gyp:extensions_common_constants
 source_set("common_constants") {
@@ skipping 11 matching lines @@
     sources = rebase_path(extensions_gypi_values.extensions_common_mojo_sources,
                           ".",
                           "//extensions")
     if (proprietary_codecs && enable_wifi_display) {
       wifi_display_sources = rebase_path(
               extensions_gypi_values.extensions_common_mojo_sources_wifi_display,
               ".",
               "//extensions")
       sources += wifi_display_sources
     }
+
+    use_new_wrapper_types = false
   }
 
   # GYP version: extensions/extensions.gyp:extensions_common
   # This must be a static library because extensions common depends on
   # GetTrustedICAPublicKey in extensions/browser which isn't always linked
   # in. TODO(brettw): This reverse dependency should be fixed.
   static_library("common") {
     sources = rebase_path(extensions_gypi_values.extensions_common_sources,
                           ".",
                           "//extensions")
@@ skipping 40 matching lines @@
 
     if (enable_nacl) {
       nacl_sources =
           rebase_path(extensions_gypi_values.extensions_common_sources_nacl,
                       ".",
                       "//extensions")
       sources += nacl_sources
     }
   }
 }  # enable_extensions