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<!DOCTYPE html>
<html>
<head>
<style>
.fixed {
position: fixed;
left: 10px;
top: 10px;
}
</style>
<script>
if (window.internals)
window.internals.settings.setPreferCompositingToLCDTextEnabled(false);
if (window.testRunner) {
testRunner.dumpAsText();
window.addEventListener("load", function() {
document.getElementById("layerTree").innerText = window.internals.layerTreeAsText(document);
document.getElementById("mainThreadScrollingReasons").innerText = window.internals.mainThreadScrollingReasons(document);
}, false);
}
</script>
</head>
<body style="height: 5000px; overflow:hidden">
<div class="fixed">TEST</div>
<pre id="layerTree"></pre>
<pre id="mainThreadScrollingReasons"></pre>
</body>
</html>
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