chromium/chrome/test/data/extensions/platform_apps/url_handlers/xhr_downloader/main.html

<!--
Copyright 2013 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<html>
<body>
<div>I'm the app's main window page.
I will download an HTML page using XMLHttpRequest.</div>
<script src="download.js"></script>
</body>
</html>