<!DOCTYPE html>
<html class="reftest-wait">
<head>
<script>

function boom()
{
    var frame = document.createElement("iframe");
    document.body.appendChild(frame);
    var frameLoc = frame.contentWindow.location;
    document.body.removeChild(frame)
    frameLoc.origin;
    document.documentElement.removeAttribute('class');
}

</script>
</head>

<body onload="boom();"></body>
</html>
