Fix packing localized strings for //remoting.

remoting/remoting_locales.gni

 # Copyright 2015 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.
 
 webapp_locale_dir = "$root_gen_dir/remoting/webapp/_locales"
 
 # See also remoting_locales_with_underscores below.
 remoting_locales = [
   "am",
   "ar",
   "bg",
 
   "bn",
   "ca",
   "cs",
   "da",
   "de",
   "el",
   "en",
   "en-GB",
   "es",
-  "es-419",
   "et",
 
   "fa",
   "fake-bidi",
   "fi",
   "fil",
   "fr",
 
   "gu",
   "he",
   "hi",
   "hr",
   "hu",
   "id",
   "it",
   "ja",
 
   "kn",
   "ko",
   "lt",
   "lv",
 
   "ml",
   "mr",
   "ms",
   "nb",
   "nl",
   "pl",
-  "pt-BR",
   "pt-PT",
   "ro",
   "ru",
   "sk",
   "sl",
   "sr",
   "sv",
 
   "sw",
   "ta",
   "te",
   "th",
   "tr",
   "uk",
   "vi",
   "zh-CN",
   "zh-TW",
 ]
 
 # Some locales have hyphens in the names but for some uses underscores are
 # needed.
 remoting_locales_with_underscores = remoting_locales
 remoting_locales_with_underscores -= [
   "en-GB",
-  "es-419",
 
   "fake-bidi",
-  "pt-BR",
   "pt-PT",
   "zh-CN",
   "zh-TW",
 ]
 remoting_locales_with_underscores += [
   "en_GB",
-  "es_419",
 
   "fake_bidi",
-  "pt_BR",
   "pt_PT",
   "zh_CN",
   "zh_TW",
 ]
 
-if (is_chromeos) {
+# An additional locale "en-US" is generated for ChromeOS and Chrome on iOS.
+if (is_chromeos || is_ios) {
   remoting_locales += [ "en-US" ]
   remoting_locales_with_underscores += [ "en_US" ]
 }
 
+# Locales "pt-BR" and "es-419" are named "pt" and "es-MX" respectively on iOS.
+if (!is_ios) {
+  remoting_locales += [
+    "pt-BR",
+    "es-419",
+  ]
+  remoting_locales_with_underscores += [
+    "pt_BR",
+    "es_419",
+  ]
+} else {
+  remoting_locales += [
+    "pt",
+    "es-MX",
+  ]
+  remoting_locales_with_underscores += [
+    "pt",
+    "es_MX",
+  ]
+}
+
 messages_locales = remoting_locales_with_underscores
-if (!is_chromeos) {
-  # The messages output includes a separate one for en-US that the pak ones
-  # don't have. We don't need to do this on ChromeOS since en_US is in the
-  # locales list be default there.
-  messages_locales += [ "en_US" ]
-}
 
 remoting_android_locales = [
   "am",
   "ar",
   "bg",
   "ca",
   "cs",
   "da",
   "de",
   "el",
@@ skipping 32 matching lines @@
   "vi",
   "zh-rCN",
   "zh-rTW",
 ]
 
 # The list of .json files generated by remoting_strings.grd.
 remoting_webapp_locale_files =
     process_file_template(
         messages_locales,
         [ "remoting/webapp/_locales/{{source_name_part}}/messages.json" ])