Fix python scripts in src/chrome/

chrome/tools/build/win/make_policy_zip.py

+#!/usr/bin/env python
 # 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.
 
 """Creates a zip archive with policy template files. The list of input files is
 extracted from a grd file with grit. This is to keep the length of input
 arguments below the limit on Windows.
 """
 
 import optparse
 import os
 import sys
 import zipfile
 
+
 def add_files_to_zip(zip_file, base_dir, file_list):
   """Pack a list of files into a zip archive, that is already
   opened for writing.
 
   Args:
     zip_file: An object representing the zip archive.
     base_dir: Base path of all the files in the real file system.
     files: List of file paths to add, all relative to base_dir.
         The zip entries will only contain this componenet of the path.
   """
   for file_path in file_list:
     zip_file.write(base_dir + file_path, file_path)
   return 0
 
+
 def get_grd_outputs(grit_cmd, grit_defines, grd_file, grd_strip_path_prefix):
   grit_path = os.path.join(os.getcwd(), os.path.dirname(grit_cmd))
   sys.path.append(grit_path)
   import grit_info
   outputs = grit_info.Outputs(grd_file, grit_defines)
   result = []
   for item in outputs:
     assert item.startswith(grd_strip_path_prefix)
     result.append(item[len(grd_strip_path_prefix):])
   return result
 
+
 def main(argv):
   """Pack a list of files into a zip archive.
 
   Args:
     zip_path: The file name of the zip archive.
     base_dir: Base path of input files.
     locales: The list of locales that are used to generate the list of file
         names using INPUT_FILES.
   """
   parser = optparse.OptionParser()
@@ skipping 16 matching lines @@
 
   file_list = options.extra_input
   file_list += get_grd_outputs(options.grit_info, grit_defines,
                                options.grd_input, options.grd_strip_path_prefix)
   zip_file = zipfile.ZipFile(options.output, 'w', zipfile.ZIP_DEFLATED)
   try:
     return add_files_to_zip(zip_file, options.basedir, file_list)
   finally:
     zip_file.close()
 
+
 if '__main__' == __name__:
   sys.exit(main(sys.argv))
-