<!DOCTYPE html>

<html>
<head>
    <style>
        #container {
            width: 400px;
            height: 500px;
            overflow: scroll;
            will-change: transform;
        }
        
        #container > div {
            background-color: green;
            height: 100%;
            width: 100%;
        }
    </style>
    <script>
        if (window.testRunner)
            testRunner.waitUntilDone();
        function appendContent()
        {
            var container = document.getElementById('container');
            container.appendChild(document.createElement('div'));

            if (window.testRunner)
                testRunner.notifyDone();
        }

        function doTest()
        {
            window.setTimeout(appendContent, 0);
        }
        
        window.addEventListener('load', doTest, false);
    </script>
</head>
<body>
    <div id="container"></div>
</body>
</html>