<!DOCTYPE html>
<html>
<head>
<script src="../../resources/run-after-layout-and-paint.js"></script>
<style type="text/css" media="screen">
body {
height: 1500px;
margin: 0;
}
#box {
height: 100px;
width: 100px;
background-color: blue;
}
.composited {
transform: translateZ(0);
}
iframe {
display: block;
margin: 20px;
height: 200px;
width: 280px;
}
</style>
<script type="text/javascript" charset="utf-8">
if (window.testRunner) {
testRunner.dumpAsText();
testRunner.waitUntilDone();
}
function doTest()
{
if (window.testRunner) {
runAfterLayoutAndPaint(function() {
document.getElementById('box').className = 'composited';
document.getElementById('layers').innerHTML = window.internals.layerTreeAsText(document);
testRunner.notifyDone();
});
}
}
window.addEventListener('load', doTest, false);
</script>
</head>
<body>
<div id="box"></div>
<!-- Tests that when the main document becomes composited, all iframes containing
any composited content become composited -->
<iframe src="resources/intermediate-frame.html"></iframe>
<iframe src="resources/intermediate-frame.html"></iframe>
<pre id="layers">Layer tree appears here in DRT.</pre>
</body>
</html>