Don't squash video

Doesn't work well. Let's punt on it.

R=abarth@chromium.org
BUG=351056

Review URL: https://codereview.chromium.org/238483003

git-svn-id: svn://svn.chromium.org/blink/trunk@171586 bbb929c8-8fbe-4397-9dbb-9b2b20218538