functionality match the name.
https://bugs.webkit.org/show_bug.cgi?id=106870

Patch by Tim 'mithro' Ansell <mithro@mithis.com> on 2013-01-15
Reviewed by Adam Barth.

* Scripts/webkitpy/tool/commands/download.py:
(Clean):
(Update):
(Build):
(BuildAndTest):
(CheckStyle):
(BuildAttachment):
(BuildAndTestAttachment):
(AbstractPatchApplyingCommand):
(ApplyWatchList):
(AbstractPatchLandingCommand):
(CreateRollout):
* Scripts/webkitpy/tool/steps/__init__.py:
* Scripts/webkitpy/tool/steps/cleanworkingdirectory.py:
(CleanWorkingDirectory.options):
(CleanWorkingDirectory.run):
* Scripts/webkitpy/tool/steps/cleanworkingdirectory_unittest.py:
* Scripts/webkitpy/tool/steps/discardlocalchanges.py: Copied from Tools/Scripts/webkitpy/tool/steps/cleanworkingdirectory.py.
* Scripts/webkitpy/tool/steps/discardlocalchanges_unittest.py: Copied from Tools/Scripts/webkitpy/tool/steps/cleanworkingdirectory_unittest.py.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@139771 268f45cc-cd09-0410-ab3c-d52691b4dbfc