[idlharness.window.html]
  [HTMLVideoElement interface: calling requestVideoFrameCallback(VideoFrameRequestCallback) on video with too few arguments must throw TypeError]
    expected: FAIL

  [HTMLVideoElement interface: calling cancelVideoFrameCallback(unsigned long) on video with too few arguments must throw TypeError]
    expected: FAIL

  [HTMLVideoElement interface: video must inherit property "requestVideoFrameCallback(VideoFrameRequestCallback)" with the proper type]
    expected: FAIL

  [HTMLVideoElement interface: operation requestVideoFrameCallback(VideoFrameRequestCallback)]
    expected: FAIL

  [HTMLVideoElement interface: video must inherit property "cancelVideoFrameCallback(unsigned long)" with the proper type]
    expected: FAIL

  [HTMLVideoElement interface: operation cancelVideoFrameCallback(unsigned long)]
    expected: FAIL

