<!DOCTYPE html>
<html><head>
<script>
if (window.testRunner)
testRunner.dumpAsText();
</script>
</head><body>
<p>This shouldn't crash.</p>
<button style="display: -webkit-box;">Button</button>
</body></html>
<!DOCTYPE html>
<html><head>
<script>
if (window.testRunner)
testRunner.dumpAsText();
</script>
</head><body>
<p>This shouldn't crash.</p>
<button style="display: -webkit-box;">Button</button>
</body></html>