Revert 246753 "Reenable disabled test."

The test is still failing.

> Reenable disabled test.
> 
> BUG=336343
> TBR=glider@chromium.org
> NOTRY=true
> 
> Review URL: https://codereview.chromium.org/146043006

TBR=oshima@chromium.org

Review URL: https://codereview.chromium.org/146653002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@246817 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 246817