mojob.py: add nacltest command.

mojo/tools/mojob.py

 #!/usr/bin/env python
 # Copyright 2014 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.
 
 # This a simple script to make building/testing Mojo components easier.
 
 import argparse
 from copy import deepcopy
 import os
@@ skipping 177 matching lines @@
 
 
 def pytest(config):
   return _run_tests(config, ['python'])
 
 
 def darttest(config):
   return _run_tests(config, ['dart'])
 
 
+def nacltest(config):
+  return _run_tests(config, ['nacl'])
+
+
 def main():
   os.chdir(Paths().src_root)
 
   parser = argparse.ArgumentParser(description='A script to make building'
       '/testing Mojo components easier.')
 
   parent_parser = argparse.ArgumentParser(add_help=False)
   parent_parser.add_argument('--asan', help='Use Address Sanitizer',
                              action='store_true')
 
@@ skipping 68 matching lines @@
   perftest_parser.set_defaults(func=perftest)
 
   pytest_parser = subparsers.add_parser('pytest', parents=[parent_parser],
       help='Run Python unit tests (does not build).')
   pytest_parser.set_defaults(func=pytest)
 
   darttest_parser = subparsers.add_parser('darttest', parents=[parent_parser],
       help='Run Dart unit tests (does not build).')
   darttest_parser.set_defaults(func=darttest)
 
+  nacltest_parser = subparsers.add_parser('nacltest', parents=[parent_parser],
+      help='Run NaCl unit tests (does not build).')
+  nacltest_parser.set_defaults(func=nacltest)
+
   args = parser.parse_args()
   config = _args_to_config(args)
   return args.func(config)
 
 
 if __name__ == '__main__':
   sys.exit(main())