chromium/chrome/test/data/extensions/api_test/page_action/popup/popup.html

<!--
Copyright 2011 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<head>
<script src="popup.js"></script>
</head>
<body>
<div id="test">Hello&nbsp;World</div>
</body>