Revert of Gerrit git cl: implement git cl patch. (patchset #7 id:120001 of...

Revert of Gerrit git cl: implement git cl patch. (patchset #7 id:120001 of https://codereview.chromium.org/1852593002/ )

Reason for revert:
just in case.

Original issue's description:
> Gerrit git cl: implement git cl patch.
> 
> BUG=579182
> 
> Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=299644

TBR=andybons@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=579182

Review URL: https://codereview.chromium.org/1848393002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@299645 0039d316-1c4b-4281-b951-d872f2087c98