Use getdefaultlocale in fix_encoding

fix_encoding.py

 # Copyright (c) 2011 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.
 
 """Collection of functions and classes to fix various encoding problems on
 multiple platforms with python.
 """
 
 import codecs
 import locale
@@ skipping 33 matching lines @@
   sys.setdefaultencoding('utf-8')
   for attr in dir(locale):
     if attr[0:3] != 'LC_':
       continue
     aref = getattr(locale, attr)
     try:
       locale.setlocale(aref, '')
     except locale.Error:
       continue
     try:
-      lang = locale.getlocale(aref)[0]
+      lang, _ = locale.getdefaultlocale()
     except (TypeError, ValueError):
       continue
     if lang:
       try:
         locale.setlocale(aref, (lang, 'UTF-8'))
       except locale.Error:
         os.environ[attr] = lang + '.UTF-8'
   try:
     locale.setlocale(locale.LC_ALL, '')
   except locale.Error:
@@ skipping 297 matching lines @@
   if sys.platform == 'win32':
     ret &= fix_win_codec()
 
   ret &= fix_default_encoding()
 
   if sys.platform == 'win32':
     encoding = sys.getdefaultencoding()
     ret &= fix_win_sys_argv(encoding)
     ret &= fix_win_console(encoding)
   return ret