<!DOCTYPE html>
<html>
<head>
<style>
.box {
height: 100px;
width: 100px;
margin: 10px;
background-color: blue;
}
</style>
<script>
if (window.testRunner)
testRunner.dumpAsText();
function dumpResults()
{
var results = document.getElementById('layers');
// Check the computed value.
results.innerText = window.getComputedStyle(document.getElementById('box1')).webkitTransformStyle + '\n';
results.innerText += window.getComputedStyle(document.getElementById('box2')).webkitTransformStyle + '\n';
if (window.testRunner)
results.innerText += window.internals.layerTreeAsText(document);
}
window.addEventListener('load', dumpResults, false);
</script>
</head>
<body>
<div class="box" id="box1" style="transform: translateZ(1px); -webkit-transform-style: preserve-3d"></div>
<div class="box" id="box2" style="transform: translateZ(1px); -webkit-transform-style: preserve-3d; overflow: hidden"></div>
<pre id="layers">Layer tree goes here in DRT</pre>
</body>
</html>