Revert of https://codereview.chromium.org/86763003/
Reason for revert: Caused assertion failure - issue 327912

TBR=leviw@chromium.org,esprehn@chromium.org,dstockwell@chromium.org,ajuma@chromium.org,mgiuca@chromium.org
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/113453003

git-svn-id: svn://svn.chromium.org/blink/trunk@163750 bbb929c8-8fbe-4397-9dbb-9b2b20218538