[Gyroscope-iframe-access.https.html]
  [Gyroscope: losing a document's frame with an active sensor does not crash]
    expected: FAIL

  [Gyroscope: calling start() in a non-fully active document does not crash]
    expected: FAIL

  [Gyroscope: unfocused sensors in cross-origin frames are not updated]
    expected: FAIL

  [Gyroscope: sensors in same-origin frames are updated if one of the frames is focused]
    expected: FAIL
