Fix python scripts in src/chrome/

chrome/test/data/autofill/merge/tools/reserialize_profiles_from_query.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.
 
 import sys
 
 from autofill_merge_common import SerializeProfiles, ColumnNameToFieldType
 
+
 def main():
   """Serializes the output of the query 'SELECT * from autofill_profiles;'.
-
   """
 
   COLUMNS = ['GUID', 'LABEL', 'FIRST_NAME', 'MIDDLE_NAME', 'LAST_NAME', 'EMAIL',
              'COMPANY_NAME', 'ADDRESS_LINE_1', 'ADDRESS_LINE_2', 'CITY',
              'STATE', 'ZIPCODE', 'COUNTRY', 'PHONE', 'DATE_MODIFIED']
 
   if len(sys.argv) != 2:
     print ("Usage: python reserialize_profiles_from_query.py "
            "<path/to/serialized_profiles>")
     return
 
   types = [ColumnNameToFieldType(column_name) for column_name in COLUMNS]
   profiles = []
   with open(sys.argv[1], 'r') as serialized_profiles:
     for line in serialized_profiles:
       # trim the newline if present
       if line[-1] == '\n':
         line = line[:-1]
 
       values = line.split("|")
       profiles.append(zip(types, values))
 
   print SerializeProfiles(profiles)
+  return 0
 
 
 if __name__ == '__main__':
-  main()
+  sys.exit(main())