<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body {
    margin: 0;
}
iframe {
    border: 0;
    height: 200px;
    width: 200px;
}
</style>
</head>

 <body>
<div style="height: 2000px;"></div>
<iframe srcdoc="<body style='margin: 0;'><div>This tests that the iframe should be scroll to the top of the page on iOS.</div></body>" onload="runTest()"></iframe>
<div style="height: 2000px;"></div>
</body>

<script>
    if (window.testRunner)
        testRunner.waitUntilDone();

    function runTest() {
        window.scrollTo(0, 200);
        window.frames[0].document.scrollingElement.scrollIntoView();
        if (window.testRunner)
            testRunner.notifyDone();
    }
     </script>
</html>