LayoutTests/fast/animation/request-animation-frame-remove-client.html

<p>This test does not crash.</p>
<iframe></iframe>
<iframe></iframe>
<iframe></iframe>
<iframe></iframe>

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

var frame = document.querySelector("iframe");

window.onload = function() {
    // Convert NodeList to Array so that we can use forEach.
    var windows = Array.prototype.slice.call(window.frames);
    var numOutstandingCalls = windows.length - 1; // Remember we remove one client.
    windows.forEach(function (win) {
        win.requestAnimationFrame(function () {});
        win.requestAnimationFrame(function () {
            if (frame.parentNode)
                frame.parentNode.removeChild(frame);
            numOutstandingCalls--;
            if (!numOutstandingCalls && window.testRunner)
                testRunner.notifyDone();
        });
    });
}
</script>