GN: Add wexit_time_destructors config.

base/BUILD.gn

 # 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.
 
 component("base") {
   external = true
   sources = [
     "../build/build_config.h",
     "third_party/dmg_fp/dmg_fp.h",
     "third_party/dmg_fp/g_fmt.cc",
@@ skipping 854 matching lines @@
     "i18n/number_formatting.h",
     "i18n/rtl.cc",
     "i18n/rtl.h",
     "i18n/string_compare.cc",
     "i18n/string_compare.h",
     "i18n/string_search.cc",
     "i18n/string_search.h",
     "i18n/time_formatting.cc",
     "i18n/time_formatting.h",
   ]
+  defines = [ "BASE_I18N_IMPLEMENTATION" ]
+  configs += [ "//build/config/compiler:wexit_time_destructors" ]
   deps = [
     ":base",
     "//base/third_party/dynamic_annotations",
     "//third_party/icu:icui18n",
     "//third_party/icu:icuuc",
   ]
-  defines = [
-    "BASE_I18N_IMPLEMENTATION",
-  ]
 
   if (toolkit_uses_gtk) {
     # i18n/rtl.cc uses gtk
     configs += "//build/config/linux:gtk"
   }
 
   #'conditions': [
   #  ['OS == "win"', {
   #    # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
   #    'msvs_disabled_warnings': [
   #      4267,
   #    ],
   #  }],
   #],
   #'variables': {
-  #  'enable_wexit_time_destructors': 1,
   #  'optimize': 'max',
   #},
 }