<!DOCTYPE html>

<html>
<head>
    <style>
        iframe {
            display: block;
            margin: 10px;
        }
    </style>
    <script src="resources/wheel-handler-region-helper.js"></script>
    <script>
        if (window.testRunner)
            testRunner.waitUntilDone();

        var notificationsPending = 3;

        // Called from subframes.
        function frameChanged()
        {
            receivedNotification();
        }
        
        function mainFrameLoaded()
        {
            receivedNotification();
        }
        
        function receivedNotification()
        {
            if (!--notificationsPending) {
                dumpRegion();
                if (window.testRunner)
                    testRunner.notifyDone();
            }
        }
        
        window.addEventListener('load', mainFrameLoaded, false);
    </script>
</head>
<body>

<iframe src="resources/gain-wheel-handler.html"></iframe>
<iframe src="resources/lose-wheel-handler.html"></iframe>

<pre id="output"></pre>

</body>
</html>