diff -r 000000000000 -r 6474c204b198 media/webrtc/trunk/build/apply_locales.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/media/webrtc/trunk/build/apply_locales.py	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+# Copyright (c) 2009 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.
+
+# TODO: remove this script when GYP has for loops
+
+import sys
+import optparse
+
+def main(argv):
+
+  parser = optparse.OptionParser()
+  usage = 'usage: %s [options ...] format_string locale_list'
+  parser.set_usage(usage.replace('%s', '%prog'))
+  parser.add_option('-d', dest='dash_to_underscore', action="store_true",
+                    default=False,
+                    help='map "en-US" to "en" and "-" to "_" in locales')
+
+  (options, arglist) = parser.parse_args(argv)
+
+  if len(arglist) < 3:
+    print 'ERROR: need string and list of locales'
+    return 1
+
+  str_template = arglist[1]
+  locales = arglist[2:]
+
+  results = []
+  for locale in locales:
+    # For Cocoa to find the locale at runtime, it needs to use '_' instead
+    # of '-' (http://crbug.com/20441).  Also, 'en-US' should be represented
+    # simply as 'en' (http://crbug.com/19165, http://crbug.com/25578).
+    if options.dash_to_underscore:
+      if locale == 'en-US':
+        locale = 'en'
+      locale = locale.replace('-', '_')
+    results.append(str_template.replace('ZZLOCALE', locale))
+
+  # Quote each element so filename spaces don't mess up GYP's attempt to parse
+  # it into a list.
+  print ' '.join(["'%s'" % x for x in results])
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv))