Delete a bunch of dead python code.

sky/tools/webkitpy/tool/steps/confirmdiff.py

Index: sky/tools/webkitpy/tool/steps/confirmdiff.py
diff --git a/sky/tools/webkitpy/tool/steps/confirmdiff.py b/sky/tools/webkitpy/tool/steps/confirmdiff.py
deleted file mode 100644
index 6cab6107dba1979fb217185e119df809959fb298..0000000000000000000000000000000000000000
--- a/sky/tools/webkitpy/tool/steps/confirmdiff.py
+++ /dev/null
@@ -1,78 +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 urllib
-
-from webkitpy.tool.steps.abstractstep import AbstractStep
-from webkitpy.tool.steps.options import Options
-from webkitpy.common.prettypatch import PrettyPatch
-from webkitpy.common.system import logutils
-from webkitpy.common.system.executive import ScriptError
-
-
-_log = logutils.get_logger(__file__)
-
-
-class ConfirmDiff(AbstractStep):
-    @classmethod
-    def options(cls):
-        return AbstractStep.options() + [
-            Options.confirm,
-        ]
-
-    def _show_pretty_diff(self):
-        if not self._tool.user.can_open_url():
-            return None
-
-        try:
-            pretty_patch = PrettyPatch(self._tool.executive)
-            pretty_diff_file = pretty_patch.pretty_diff_file(self.diff())
-            url = "file://%s" % urllib.quote(pretty_diff_file.name)
-            self._tool.user.open_url(url)
-            # We return the pretty_diff_file here because we need to keep the
-            # file alive until the user has had a chance to confirm the diff.
-            return pretty_diff_file
-        except ScriptError, e:
-            _log.warning("PrettyPatch failed.  :(")
-        except OSError, e:
-            _log.warning("PrettyPatch unavailable.")
-
-    def diff(self):
-        changed_files = self._tool.scm().changed_files(self._options.git_commit)
-        return self._tool.scm().create_patch(self._options.git_commit,
-            changed_files=changed_files)
-
-    def run(self, state):
-        if not self._options.confirm:
-            return
-        pretty_diff_file = self._show_pretty_diff()
-        diff_correct = self._tool.user.confirm("Was that diff correct?")
-        if pretty_diff_file:
-            pretty_diff_file.close()
-        if not diff_correct:
-            self._exit(1)