<!DOCTYPE HTML><htmlclass="reftest-wait"><bodystyle="background:white;"onload="setTimeout(function(){document.documentElement.className = '';}, 0);"><!-- Test if we show video frame after removing valid poster. --><videosrc="black140x100.webm"preload="auto"id="v"poster="blue250x200.png"></video><scripttype="text/javascript">document.getElementById('v').poster='';</script></body></html>