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chromium
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chromium/third_party/blink/web_tests/fast/events/touch/resources/touch-inside-iframe2.html 

<html>
<body onload="parent.runTest()">
<div id='mydiv' style='width:100px;height:100px;position:absolute;top:0px; left:0px; background-color:blue;'></div>
<script type='text/javascript'>
document.getElementById('mydiv').addEventListener('touchstart', function() { parent.testComplete(event); }, false);
</script>
</body>
</html>