<html>
<head>
<title>Web app banner test page</title>
<script src="/banners/main.js"></script>
<script>
// If a "manifest=/path/to/manifest.json" query argument is provided to
// the URL accessing this page, that path is injected as the manifest tag.
// Otherwise, "manifest.json" is used as the manifest tag.
addManifestLinkTag();
</script>
</head>
<body onload="initializeWithWorker('/banners/service_worker.js')">
Service worker returns a response object if it's offline, so the page
supports the offline environment.
</body>
</html>