chromium/third_party/blink/web_tests/fullscreen/full-screen-detached-document.html

<script>
if (window.testRunner)
    testRunner.dumpAsText();

doc = document.implementation.createDocument("", null);
doc.appendChild(document.createElement('video'));
doc.firstChild.webkitRequestFullscreen();
</script>
PASS if this didn't crash.