Implement clustering support in run_test_cases.py.

tests/gtest_fake/gtest_fake_flaky.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.
 
 """Simulate a flaky google-test executable.
 
 http://code.google.com/p/googletest/
 """
 
 import optparse
 import os
 import sys
 
 import gtest_fake_base
 
 
 TESTS = {
   'Foo': [
     'Bar1', 'Bar2', 'Bar3', 'Bar4', 'Bar5', 'Bar6', 'Bar7', 'Bar8', 'Bar9',
   ],
 }
 TOTAL = sum(len(v) for v in TESTS.itervalues())
 
 
 def main():
   parser = optparse.OptionParser()
   parser.add_option('--gtest_list_tests', action='store_true')
+  parser.add_option('--gtest_print_time', action='store_true')
   parser.add_option('--gtest_filter')
   options, args = parser.parse_args()
   if len(args) != 1:
     parser.error('Need to pass a temporary directory path')
 
   temp_dir = args[0]
 
   if options.gtest_list_tests:
     for fixture, cases in TESTS.iteritems():
       print '%s.' % fixture
@@ skipping 19 matching lines @@
 
   for fixture, cases in TESTS.iteritems():
     for case in cases:
       print gtest_fake_base.get_test_output('%s.%s' % (fixture, case))
   print gtest_fake_base.get_footer(TOTAL, TOTAL)
   return 1
 
 
 if __name__ == '__main__':
   sys.exit(main())