Revert 70626 - Chromium support for webkitAnimationTime property
Revert 70626 - Chromium support for webkitAnimationTime property

These are the chrome changes needed for https://bugs.webkit.org/show_bug.cgi?id=51952.

BUG=64848
TEST=layout tests

Review URL: http://codereview.chromium.org/5962018

TBR=jamesr@chromium.org
Review URL: http://codereview.chromium.org/6161005

git-svn-id: http://src.chromium.org/svn/trunk/src@70974 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: a38dec4174817cbf0e65dc688e8f71a72af04768
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser