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<html>
<head>
<style>
iframe {
height: 150px;
width: 150px;
}
</style>
<script>
if (window.internals) {
internals.settings.setForceCompositingMode(true);
internals.settings.setAcceleratedCompositingForScrollableFramesEnabled(true);
}
function doTest()
{
if (window.testRunner)
testRunner.display();
var iframe = document.getElementById("parent-iframe");
var box = iframe.contentDocument.getElementById("box");
box.setAttribute("style", "height:50px;width:50px;");
iframe.contentDocument.body.offsetWidth; // See bug 41999
if (window.testRunner) {
testRunner.dumpAsText();
document.getElementById('layertree').innerText = window.internals.layerTreeAsText(document);
}
}
window.addEventListener("load", doTest, false);
</script>
</head>
<body>
<iframe id="parent-iframe" src="resources/subframe-big.html"></iframe>
<pre id="layertree"></p>
</body>
</html>
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