[history-iframe.sub.html]
  expected:
    if os == "linux": [OK, TIMEOUT]
    if os == "mac": [OK, TIMEOUT]
  [History navigation in iframe: "about:blank" document is navigated back from history same-origin.]
    expected:
      if (os == "linux") and debug and not fission and not swgl: [PASS, FAIL, TIMEOUT]
      if (os == "linux") and debug and not fission and swgl: [PASS, FAIL, TIMEOUT]
      if (os == "linux") and not debug and fission: [PASS, FAIL, TIMEOUT]
      if (os == "linux") and not debug and not fission: [PASS, FAIL, TIMEOUT]
      if (os == "linux") and debug and fission: [PASS, FAIL, TIMEOUT]
      if (os == "win") and (processor == "x86"): [PASS, FAIL]
      if os == "mac": [PASS, TIMEOUT]

  [History navigation in iframe: "about:blank" document is navigated back from history cross-origin.]
    expected:
      if (os == "linux") and fission: [PASS, FAIL, TIMEOUT, NOTRUN]
      if (os == "linux") and not fission: [PASS, TIMEOUT, NOTRUN]
      if os == "mac": [PASS, TIMEOUT, NOTRUN]

  [History navigation in iframe: blob URL document is navigated back from history same-origin.]
    expected:
      if os == "linux": [PASS, NOTRUN]
      if os == "mac": [PASS, NOTRUN]

  [History navigation in iframe: blob URL document is navigated back from history cross-origin.]
    expected:
      if os == "linux": [PASS, NOTRUN]
      if os == "mac": [PASS, NOTRUN]

  [History navigation in iframe: data URL document is navigated back from history same-origin.]
    expected:
      if os == "mac": [PASS, NOTRUN]
      if os == "linux": [PASS, NOTRUN]

  [History navigation in iframe: data URL document is navigated back from history cross-origin.]
    expected:
      if os == "linux": [PASS, NOTRUN]
      if os == "mac": [PASS, NOTRUN]

  [History navigation in iframe: srcdoc iframe is navigated back from history same-origin.]
    expected:
      if os == "linux": [PASS, NOTRUN]
      if os == "mac": [PASS, NOTRUN]

  [History navigation in iframe: srcdoc iframe is navigated back from history cross-origin.]
    expected:
      if os == "linux": [PASS, NOTRUN]
      if os == "mac": [PASS, NOTRUN]
