[Chromoting] Pass list of locale files into build-webapp in a single file.

remoting/webapp/build-webapp.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Creates a directory with with the unpacked contents of the remoting webapp.
 
 The directory will contain a copy-of or a link-to to all remoting webapp
 resources.  This includes HTML/JS and any plugin binaries. The script also
 massages resulting files appropriately with host plugin data. Finally,
@@ skipping 356 matching lines @@
 
 def main():
   if len(sys.argv) < 6:
     print ('Usage: build-webapp.py '
            '<build-type> <version> <dst> <zip-path> <manifest_template> '
            '<webapp_type> <other files...> '
            '--app_name <name> '
            '--app_description <description> '
            '--app_capabilities <capabilities...> '
            '[--appid <appid>] '
-           '[--locales <locales...>] '
+           '[--locales_listfile <locales-listfile-name>] '
            '[--jinja_paths <paths...>] '
            '[--service_environment <service_environment>]')
     return 1
 
   arg_type = ''
   files = []
-  locales = []
+  locales_listfile = ''
   jinja_paths = []
   app_id = None
   app_name = None
   app_description = None
   app_capabilities = set([])
   service_environment = ''
 
   for arg in sys.argv[7:]:
-    if arg in ['--locales',
+    if arg in ['--locales_listfile',
                '--jinja_paths',
                '--appid',
                '--app_name',
                '--app_description',
                '--app_capabilities',
                '--service_environment']:
       arg_type = arg
-    elif arg_type == '--locales':
-      locales.append(arg)
+    elif arg_type == '--locales_listfile':
+      locales_listfile = arg
+      arg_type = ''
     elif arg_type == '--jinja_paths':
       jinja_paths.append(arg)
     elif arg_type == '--appid':
       app_id = arg
       arg_type = ''
     elif arg_type == '--app_name':
       app_name = arg
       arg_type = ''
     elif arg_type == '--app_description':
       app_description = arg
       arg_type = ''
     elif arg_type == '--app_capabilities':
       app_capabilities.add(arg)
     elif arg_type == '--service_environment':
       service_environment = arg
       arg_type = ''
     else:
       files.append(arg)
 
+  # Load the locales files from the locales_listfile.
+  if not locales_listfile:
+    raise Exception('You must specify a locales_listfile')
+  locales = []
+  with open(locales_listfile) as input:
+    for s in input:
+      locales.append(s.rstrip())
+
   return buildWebApp(sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4],
                      sys.argv[5], sys.argv[6], app_id, app_name,
                      app_description, app_capabilities, files, locales,
                      jinja_paths, service_environment)
 
 
 if __name__ == '__main__':
   sys.exit(main())