chromium/content/test/data/gpu/functional_3d_css.html

<html>
<head>
<style>
  div {
    width:200px;
    height:100px;
    background-color:black;
    color:#ffffff;
    -webkit-transform:translateZ(0);
  }
</style>
</head>
<body onload="finished()">
<div>3D CSS</div>
<script>
function finished() {
  domAutomationController.send("SUCCESS");
}
</script>
</body>
</html>