<!DOCTYPE html>
<html>
<body onload="setTimeout(function() { window.location = 'bug404548-subframe_window.html'; }, 10)">
<iframe srcdoc="<body onpagehide='var p = window.parent.opener; var e = window.frameElement; e.parentNode.removeChild(e); if (e.parentNode == null && e.contentWindow == null) { p.firstRemoved = true; }'>">
</iframe>
<iframe srcdoc="<body onpagehide='window.parent.opener.secondHidden = true;'>">
</iframe>
