Fix presubmit check failure caused by r179457.

drover.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.
 
 import optparse
 import os
 import re
 import string
 import sys
@@ skipping 507 matching lines @@
     exec(f)
     f.close()
     if FILE_PATTERN:
       file_pattern_ = FILE_PATTERN
 
   if options.revert and options.branch:
     url = BRANCH_URL.replace("$branch", options.branch)
   elif options.merge and options.sbranch:
     url = BRANCH_URL.replace("$branch", options.sbranch)
   elif options.revert and options.url:
-      url = options.url
-      file_pattern_ = r"[ ]+([MADUC])[ ]+((/.*)/(.*))"
+    url = options.url
+    file_pattern_ = r"[ ]+([MADUC])[ ]+((/.*)/(.*))"
   else:
     url = TRUNK_URL
 
   working = options.workdir or DEFAULT_WORKING
 
   if options.local:
     working = os.getcwd()
     if not inCheckoutRoot(working):
       print "'%s' appears not to be the root of a working copy" % working
       return 1
@@ skipping 147 matching lines @@
 
   if options.branch and options.milestone:
     option_parser.error("--branch cannot be used with --milestone")
     return 1
 
   return drover(options, args)
 
 
 if __name__ == "__main__":
   sys.exit(main())