Additional supported languages on Chrome on iOS.

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 = [
     "am",
-    "bg",
     "bn",
     "et",
-    "fa",
     "fil",
     "gu",
     "kn",
-    "lt",
     "lv",
     "ml",
     "mr",
     "sl",
-    "sr",
     "sw",
     "ta",
     "te",
   ]
 }
 
 # Note: keep in sync with below.
 locales = [
   "am",
   "ar",
@@ skipping 131 matching lines @@
   ]
 } else {
   locales_as_mac_outputs += [
     "es_MX",
     "pt",
   ]
 
   ios_packed_locales_as_mac_outputs =
       locales_as_mac_outputs - ios_unsupported_locales
 }