Run auto-formatter (autopep8) on webkitpy.

third_party/WebKit/Tools/Scripts/webkitpy/tool/mocktool.py

 # Copyright (C) 2011 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 39 matching lines @@
         return self
 
     def ensure_value(self, key, value):
         if getattr(self, key, None) == None:
             self.__dict__[key] = value
         return self.__dict__[key]
 
 
 # FIXME: This should be renamed MockWebKitPatch.
 class MockTool(MockHost):
+
     def __init__(self, *args, **kwargs):
         MockHost.__init__(self, *args, **kwargs)
 
         self._deprecated_port = MockPort()
 
     def deprecated_port(self):
         return self._deprecated_port
 
     def path(self):
         return "echo"