chromium/chrome/test/data/webrtc/captured_page_other.html

<html>
  <head>
    <!-- The test scans for which source to share according to the title. -->
    <title>
      Capture Handle Test - Captured Page Copy (totally-unique-DIFFERENT-captured-page-title)
    </title>
    <link rel="icon" href="data:," />
    <script>
      "use strict";

      function callSetCaptureHandleConfig(
        exposeOrigin,
        handle,
        permittedOrigins
      ) {
        navigator.mediaDevices.setCaptureHandleConfig({
          exposeOrigin: exposeOrigin,
          handle: handle,
          permittedOrigins: permittedOrigins,
        });
        return "capture-handle-set";
      }
    </script>
  </head>
  <body>
    <h1>Capture Handle Test - Captured Page</h1>
  </body>
</html>