Run auto-formatter (autopep8) on webkitpy.

third_party/WebKit/Tools/Scripts/webkitpy/tool/steps/confirmdiff.py

 # 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
@@ skipping 21 matching lines @@
 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
 
@@ skipping 14 matching lines @@
         if self._tool.platform.is_cygwin():
             assert file_path.endswith('.html')
             self._tool.executive.run_command(['cygstart', file_path])
             return
         url = "file://%s" % urllib.quote(file_path)
         self._tool.user.open_url(url)
 
     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)
+                                             changed_files=changed_files)
 
     def run(self, state):
         if not self._options.confirm:
             return
         pretty_diff_file = self._show_pretty_diff()
         if pretty_diff_file:
             diff_correct = self._tool.user.confirm("Was that diff correct?")
             pretty_diff_file.close()
             if not diff_correct:
                 self._exit(1)