<!DOCTYPE html>
<html>
<head>
<title>Check that content settings apply to the correct frame</title>
</head>
<body>
<script>
var frame = document.createElement("iframe");
frame.src = "http://www.a.com:" + location.port +
"/popup_blocker/popup-frames-iframe.html";
document.body.appendChild(frame);
</script>
</body>
</html>