implementation-status: backlog
[autoplay-disabled-by-feature-policy.https.sub.html]
  expected:
    if os == "mac": [OK, TIMEOUT]
  [Feature-Policy header: autoplay "none" disallows same-origin iframes.]
    expected:
      if os == "mac": [FAIL, TIMEOUT]
      FAIL

  [Feature-Policy header: autoplay "none" disallows cross-origin iframes.]
    expected:
      if os == "mac": [FAIL, TIMEOUT]
      FAIL

  [Feature-Policy header: autoplay "none" has no effect on the top level document.]
    expected:
      if os == "mac": [PASS, TIMEOUT]