<iframe id="i"></iframe>
<script>
if (window.testRunner) {
testRunner.dumpAsText();
testRunner.waitUntilDone();
}
var iframe = document.getElementById("i");
iframe.src = "javascript:" +
"\"<script>" +
// Stash the parent so we can use it after |window| is gone.
" var w = window.parent;" +
// This detaches the |iframe|, which makes |window| null.
" window.parent.document.body.innerHTML = 'PASS if no crash.';" +
// End the test through the parent.
" w.testRunner.notifyDone();" +
"</" + "script>\"";
document.body.appendChild(iframe)
</script>