third_party/WebKit/LayoutTests/fast/parser/iframe-sets-parent-to-javascript-url.html

<script>
if (window.layoutTestController) {
    layoutTestController.dumpAsText();
    layoutTestController.dumpChildFramesAsText();
    layoutTestController.waitUntilDone();
}

function done() {
    if (window.layoutTestController)
        layoutTestController.notifyDone();
}
</script>
<iframe src="resources/set-parent-to-javascript-url.html"></iframe>