file_pdfjs_frame_sandboxed_cross_site.html

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<!doctype html>

<html>

  <head>

    <meta charset="utf-8" />

    <title>A page with a cross-site PDF in a sandboxed iframe</title>

  </head>

  <body>

    <iframe

      sandbox="allow-downloads"

      src="https://example.org/browser/toolkit/components/pdfjs/test/file_pdfjs_test.pdf"

      width="600"

      height="400"

    ></iframe>

  </body>

</html>