<!DOCTYPE html>
<html class="reftest-wait">
<head>
<script>
function boom()
{
var frame = document.getElementById("frame");
var frameWin = frame.contentWindow;
var frameWinner = Object.create(frameWin);
var v = frameWinner.captureEvents.bind(frameWinner);
frame.src = "local-file-not-found";
setTimeout(function() { setTimeout(finish); v(0); });
}
function finish() {
document.documentElement.removeAttribute('class');
}
</script>
</head>
<body onload="boom();">
<iframe id="frame" src="data:text/html,1"></iframe>
</body>
</html>