file_worker_src_script_governs.html

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<html>

<head>

  <meta charset="utf-8">

  <meta http-equiv="Content-Security-Policy" content="script-src 'nonce-foo' https://example.com">";

</head>

<body>

<script type="text/javascript" src="file_worker_src.js" nonce="foo"></script>

</body>

</html>