Remove webkitpy.thirdparty.mock, webkitpy.common.webkitunittest.

Tools/Scripts/webkitpy/tool/commands/commandtest.py

 # Copyright (C) 2009 Google Inc. 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
 # copyright notice, this list of conditions and the following disclaimer
 # in the documentation and/or other materials provided with the
 # distribution.
 #    * Neither the name of Google Inc. nor the names of its
 # contributors may be used to endorse or promote products derived from
 # this software without specific prior written permission.
 #
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+import unittest
+
 from webkitpy.common.system.outputcapture import OutputCapture
-from webkitpy.common.webkitunittest import TestCase
 from webkitpy.tool.mocktool import MockOptions, MockTool
 
 
-class CommandsTest(TestCase):
+class CommandsTest(unittest.TestCase):
     def assert_execute_outputs(self, command, args=[], expected_stdout="", expected_stderr="", expected_exception=None, expected_logs=None, options=MockOptions(), tool=MockTool()):
         options.blocks = None
         options.cc = 'MOCK cc'
         options.component = 'MOCK component'
         options.confirm = True
         options.email = 'MOCK email'
         options.git_commit = 'MOCK git commit'
         options.obsolete_patches = True
         options.open_bug = True
         options.port = 'MOCK port'
         options.update_changelogs = False
         options.quiet = True
         options.reviewer = 'MOCK reviewer'
         command.bind_to_tool(tool)
         OutputCapture().assert_outputs(self, command.execute, [options, args, tool], expected_stdout=expected_stdout, expected_stderr=expected_stderr, expected_exception=expected_exception, expected_logs=expected_logs)