Remove a bunch of unused webkitpy code from tool/, common/checkout/ and common/config/

Tools/Scripts/webkitpy/tool/steps/discardlocalchanges_unittest.py

Index: Tools/Scripts/webkitpy/tool/steps/discardlocalchanges_unittest.py
diff --git a/Tools/Scripts/webkitpy/tool/steps/discardlocalchanges_unittest.py b/Tools/Scripts/webkitpy/tool/steps/discardlocalchanges_unittest.py
deleted file mode 100644
index 35d5f24971e43bb5d01b194a096f22e80b851141..0000000000000000000000000000000000000000
--- a/Tools/Scripts/webkitpy/tool/steps/discardlocalchanges_unittest.py
+++ /dev/null
@@ -1,97 +0,0 @@
-# Copyright (C) 2010 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
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-import webkitpy.thirdparty.unittest2 as unittest
-
-from webkitpy.thirdparty.mock import Mock
-from webkitpy.tool.mocktool import MockOptions, MockTool
-from webkitpy.tool.steps.discardlocalchanges import DiscardLocalChanges
-from webkitpy.common.system.executive import ScriptError
-
-
-class DiscardLocalChangesTest(unittest.TestCase):
-    def test_skip_on_clean(self):
-        tool = MockTool()
-        tool._scm = Mock()
-        step = DiscardLocalChanges(tool, MockOptions(clean=False))
-        step.run({})
-        self.assertEqual(tool._scm.discard_local_changes.call_count, 0)
-
-    def test_working_changes_exist_with_force(self):
-        tool = MockTool()
-        tool._scm = Mock()
-        tool._scm.has_working_directory_changes = lambda: True
-        tool._scm.has_local_commits = lambda: False
-        step = DiscardLocalChanges(tool, MockOptions(clean=True, force_clean=True))
-        step.run({})
-        self.assertEqual(tool._scm.discard_local_changes.call_count, 1)
-
-    def test_local_commits_exist_with_force(self):
-        tool = MockTool()
-        tool._scm = Mock()
-        tool._scm.has_working_directory_changes = lambda: False
-        tool._scm.has_local_commits = lambda: True
-        step = DiscardLocalChanges(tool, MockOptions(clean=True, force_clean=True))
-        step.run({})
-        self.assertEqual(tool._scm.discard_local_changes.call_count, 1)
-
-    def test_local_commits_and_working_changes_exist_with_force(self):
-        tool = MockTool()
-        tool._scm = Mock()
-        tool._scm.has_working_directory_changes = lambda: True
-        tool._scm.has_local_commits = lambda: True
-        step = DiscardLocalChanges(tool, MockOptions(clean=True, force_clean=True))
-        step.run({})
-        self.assertEqual(tool._scm.discard_local_changes.call_count, 1)
-
-    def test_no_changes_exist_with_force(self):
-        tool = MockTool()
-        tool._scm = Mock()
-        tool._scm.has_working_directory_changes = lambda: False
-        tool._scm.has_local_commits = lambda: False
-        step = DiscardLocalChanges(tool, MockOptions(clean=True, force_clean=True))
-        step.run({})
-        self.assertEqual(tool._scm.discard_local_changes.call_count, 1)
-
-    def test_error_working_changes_exist_without_force(self):
-        tool = MockTool()
-        tool._scm = Mock()
-        tool._scm.has_working_directory_changes = lambda: True
-        tool._scm.has_local_commits = lambda: False
-        step = DiscardLocalChanges(tool, MockOptions(clean=True, force_clean=False))
-        self.assertRaises(ScriptError, step.run, {})
-        self.assertEqual(tool._scm.discard_local_changes.call_count, 0)
-
-    def test_error_local_commits_exist_without_force(self):
-        tool = MockTool()
-        tool._scm = Mock()
-        tool._scm.has_working_directory_changes = lambda: False
-        tool._scm.has_local_commits = lambda: True
-        step = DiscardLocalChanges(tool, MockOptions(clean=True, force_clean=False))
-        self.assertRaises(ScriptError, step.run, {})
-        self.assertEqual(tool._scm.discard_local_changes.call_count, 0)