subframe_container.html

Enable keyboard shortcuts

<!DOCTYPE html>

<html>

  <head>

    <meta charset="utf-8" />

    <title>Page with a statically declared cross-origin subframe</title>

    <script src="utils.js"></script>

  </head>

  <body>

    <iframe

      id="subframe"

      src="https://test1.example.com/browser/dom/serviceworkers/test/subframe_message_navigate.html"

    ></iframe>

  </body>

</html>