platform/win/plugins/iframe-inside-overflow.html

<!DOCTYPE html>
<html>
<head>
    <script>
        function loaded() {
            if (window.testRunner)
                testRunner.dumpAsText();
            var container = document.getElementsByTagName('div')[0];
            container.scrollLeft = 300;
            container.scrollTop = 300;
            frames[0].document.getElementsByTagName('embed')[0].startTest();
        }
        addEventListener('load', loaded, false);
    </script>
    <style>
        div {
            float: left;
            overflow: auto;
            width: 100px;
            height: 100px;
        }
        iframe {
            width: 320px;
            height: 320px;
            border: none;
        }
    </style>
</head>
<body>
    <p>This tests that windowed plugins inside iframes inside overflow areas obey the overflow area's scroll offset.</p>

    <div>
        <iframe src="resources/dump-window-rect-iframe.html"></iframe>
    </div>
</body>
</html>