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<!DOCTYPE>
<html>
<head>
<title>Layout width change</title>
<style type="text/css" media="screen">
.container {
position: absolute;
width: 400px;
height: 1500px;
}
.panel {
position: absolute;
top: 0px;
left: 0px;
width: 1000px;
height: 200px;
background-color: #bbb;
}
.composited {
transform: translateZ(0);
}
</style>
<script type="text/javascript" charset="utf-8">
if (window.testRunner) {
testRunner.waitUntilDone();
testRunner.dumpAsTextWithPixelResults();
}
function doTest()
{
var container = document.getElementById("container");
var panel = document.getElementById("panel");
// Delay is needed after switching between compositing and non-compositing
// mode to allow for another render to happen.
window.setTimeout(function() {
panel.className += " composited"
container.style.height = "300";
if (window.testRunner) {
window.setTimeout(function() {
testRunner.notifyDone();
}, 20);
}
}, 20);
}
window.addEventListener('load', doTest, false);
</script>
</head>
<body>
<p>There should be no white gap at the right hand side of the box.</p>
<div id="container" class="container">
<div id="panel" class="panel">
</div>
</div>
</body>
</html>
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