[sandbox-top-navigation-grandchild-allow-same-origin.tentative.sub.window.html]
  expected:
    if (os == "linux") and debug and not fission: [OK, CRASH]
    if (os == "win") and debug: OK
    if (os == "mac") and not debug: OK
    if os == "android": OK
    [OK, TIMEOUT]
  [A sandboxed same-origin grandchild with allow-same-origin can     give itself top-nav privileges]
    expected:
      if (os == "linux") and debug and fission: [PASS, TIMEOUT]
      if (os == "win") and not debug: [PASS, TIMEOUT]
      if (os == "mac") and debug: [PASS, TIMEOUT]
      if (os == "linux") and not debug: [PASS, TIMEOUT]