Revert 227926 "Blink roll 159214:159317"

> Blink roll 159214:159317
> 
> http://build.chromium.org/f/chromium/perf/dashboard/ui/changelog_blink.html?url=/trunk&range=159215:159317&mode=html
> TBR=enne@chromium.org
> BUG=N/A
> 
> Review URL: https://codereview.chromium.org/26284003

TBR=toyoshim@chromium.org

Review URL: https://codereview.chromium.org/26375005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@227934 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 227934