third_party/WebKit/LayoutTests/fast/events/drag-and-drop-autoscroll-frameset.html

<script>
window.addEventListener('message', function(event) {
    document.body.outerHTML = event.data;
    testRunner.notifyDone();
});
</script>
<frameset cols="50%,%50%">
    <frame src="resources/drag-and-drop-autoscroll-frame.html">
    <frame>
</frameset>