chromium/chrome/test/data/pepper/pepper_3d.html

<html>
<head>
<title>Pepper3D Test</title>
<script src="../npapi/npapi.js"></script>
</head>

<body>
<div id="statusPanel" style="border: 1px solid red; width: 100%">
Test running....
</div>

<object type="pepper-application/x-pepper-test"
    id="1"
    name="pepper_3d"
    width="256" height="256" />
</body>
</html>