Revert of https://codereview.chromium.org/110663003/
Reason for revert: The new code is unreadable.

TBR=haraken@chromium.org,ch.dumez@samsung.com
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/98853012

git-svn-id: svn://svn.chromium.org/blink/trunk@163511 bbb929c8-8fbe-4397-9dbb-9b2b20218538