<html>
    <head>
        <style>
        table, th, td {
            border: 1px solid black;
            padding: 10px;
        }
        p {
            font-size: 36px;
        }
        </style>
        <script>
        function imageError(event)
        {
            window.webkit.messageHandlers.testHandler.postMessage('Error loading PDF');
        }
        </script>
    </head>
    <body>
        <h1>Lockdown Mode - PDF Test</h1>
        <table>
            <tr>
                <th>Test Title</th>
                <th>Result</th>
            </tr>
            <tr>
                <td>PDF As Source Of Image Tag</td>
                <td><img onerror="imageError(event)" width="150px" height="100px" src="webkit-logo.pdf"></td>
            </tr>
        </table>
    </body>
</html>