[GN] Use build/config/locales.gni to simplify grit invocations.

build/config/locales.gni

 # 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.
 
 # Chrome on iOS only ships with a subset of the locales supported by other
 # version of Chrome as the corresponding locales are not supported by the
 # operating system (but for simplicity, the corresponding .pak files are
 # still generated).
 if (is_ios) {
   ios_unsupported_locales = [
@@ skipping 81 matching lines @@
   ]
 } else {
   locales += [
     "es-MX",
     "pt",
   ]
 
   ios_packed_locales = locales - ios_unsupported_locales
 }
 
+locales_with_fake_bidi = locales + [ "fake-bidi" ]
+
 # Same as the locales list but in the format Mac expects for output files:
 # it uses underscores instead of hyphens, and "en" instead of "en-US".
 locales_as_mac_outputs = [
   "am",
   "ar",
   "bg",
   "bn",
   "ca",
   "cs",
   "da",
@@ skipping 52 matching lines @@
   ]
 } else {
   locales_as_mac_outputs += [
     "es_MX",
     "pt",
   ]
 
   ios_packed_locales_as_mac_outputs =
       locales_as_mac_outputs - ios_unsupported_locales
 }