<head>
<link rel="stylesheet" type="text/css" href="does-not-exist.css">
</head>
<body>
<iframe id=i></iframe>
<script>
if (window.testRunner) {
testRunner.dumpAsText();
testRunner.dumpChildFrames();
}
document.body.appendChild(document.head);
i.contentDocument.body.appendChild(document.body);
console.log("PASS if no crash.");
</script>