<!DOCTYPE html>
<script>
    if (window.testRunner)
        testRunner.dumpAsText();
</script>
<p>PASS if no crash or assertion failure.</p>
<div style="-webkit-columns:3;">
    <div style="height:0.5em;">
        <br>
        <div style="-webkit-column-span:all;"></div>
        <br>
    </div>
</div>