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<html>
<head>
<style type="text/css" media="screen">
body {
overflow: hidden;
}
iframe {
position: absolute;
top: 0px;
left: 0px;
height: 300px;
width: 300px;
}
#overlap {
left: 250px;
}
pre {
position: absolute;
bottom: 2000px;
left: 0px;
}
</style>
<script>
if (window.testRunner) {
testRunner.waitUntilDone();
testRunner.dumpAsText();
}
function doTest()
{
// For some reason this delay is required for AppKit to not short-circuit the display which is required
// for overlap testing to kick in.
window.setTimeout(function() {
if (window.testRunner) {
testRunner.display();
document.getElementById('layers').innerHTML = window.internals.layerTreeAsText(document);
testRunner.notifyDone();
}
}, 0);
}
window.addEventListener('load', doTest, false);
</script>
</head>
<body>
<iframe src="resources/composited-subframe.html"></iframe>
<!-- this iframe should become composited because it overlaps the other iframe -->
<iframe id="overlap" src="resources/subframe.html"></iframe>
<pre id="layers">Layer tree appears here in DRT.</pre>
</body>
</html>
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