Check in the thirdparty libs needed for webkitpy.

Tools/Scripts/webkitpy/common/system/executive_unittest.py

 # Copyright (C) 2010 Google Inc. All rights reserved.
 # Copyright (C) 2009 Daniel Bates (dbates@intudata.com). All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #    * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #    * Redistributions in binary form must reproduce the above
@@ skipping 21 matching lines @@
 import signal
 import subprocess
 import sys
 import time
 
 # Since we execute this script directly as part of the unit tests, we need to ensure
 # that Tools/Scripts is in sys.path for the next imports to work correctly.
 script_dir = os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
 if script_dir not in sys.path:
     sys.path.append(script_dir)
-third_party_py = os.path.join(script_dir, "webkitpy", "thirdparty", "autoinstalled")
-if third_party_py not in sys.path:
-    sys.path.append(third_party_py)
-
-import unittest2 as unittest
 
 from webkitpy.common.system.executive import Executive, ScriptError
 from webkitpy.common.system.filesystem_mock import MockFileSystem
+from webkitpy.thirdparty import unittest2 as unittest
 
 
 class ScriptErrorTest(unittest.TestCase):
     def test_message_with_output(self):
         error = ScriptError('My custom message!', '', -1)
         self.assertEqual(error.message_with_output(), 'My custom message!')
         error = ScriptError('My custom message!', '', -1, 'My output.')
         self.assertEqual(error.message_with_output(), 'My custom message!\n\noutput: My output.')
         error = ScriptError('', 'my_command!', -1, 'My output.', '/Users/username/blah')
         self.assertEqual(error.message_with_output(), 'Failed to run "\'my_command!\'" exit_code: -1 cwd: /Users/username/blah\n\noutput: My output.')
@@ skipping 182 matching lines @@
         import msvcrt
         msvcrt.setmode(stdout.fileno(), os.O_BINARY)
     if cmd == '--cat':
         stdout.write(stdin.read())
     elif cmd == '--echo':
         stdout.write(' '.join(args))
     return 0
 
 if __name__ == '__main__' and len(sys.argv) > 1 and sys.argv[1] in ('--cat', '--echo'):
     sys.exit(main(sys.platform, sys.stdin, sys.stdout, sys.argv[1], sys.argv[2:]))