Revert 255896 "Blink roll 168755:168805"

The Blink roll broke browser_tests in Chromium OS:
http://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Tests%20%282%29/builds/22180

> Blink roll 168755:168805
> 
> http://build.chromium.org/f/chromium/perf/dashboard/ui/changelog_blink.html?url=/trunk&range=168756:168805&mode=html
> TBR=
> BUG=
> 
> Review URL: https://codereview.chromium.org/192373003

TBR=haraken@chromium.org

Review URL: https://codereview.chromium.org/192373006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255911 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255912 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255912