<html>
<head>
  <meta charset="utf-8">
  <meta http-equiv="Content-Security-Policy" content="worker-src https://example.com; child-src 'none'; script-src 'nonce-foo'">";
</head>
<body>
<script type="text/javascript" src="file_worker_src.js" nonce="foo"></script>
</body>
</html>
