[sandbox-top-navigation-child-frame-both.tentative.sub.window.html]
  expected:
    if (os == "win") and debug and (processor == "x86_64"): [OK, TIMEOUT, CRASH]
    if (os == "win") and not debug and (processor == "x86"): [OK, TIMEOUT]
    if (os == "linux") and not fission and debug: CRASH
    if (os == "linux") and fission: [OK, TIMEOUT]
  [A frame with both top navigation frame sandbox flags uses the less     restrictive one]
    expected:
      if (os == "win") and debug and (processor == "x86_64"): [PASS, TIMEOUT]
      if (os == "win") and not debug and (processor == "x86"): [PASS, TIMEOUT]
      if (os == "linux") and fission: [PASS, TIMEOUT]