It runs very slowly on Windows, and it will soon be obsolete.

BUG=
R=iannucci@chromium.org

Review URL: https://codereview.chromium.org/229683004

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@262770 0039d316-1c4b-4281-b951-d872f2087c98