[idlharness.html]
  type: testharness
  [Window interface: operation requestAnimationFrame(FrameRequestCallback)]
    expected: FAIL

  [Window interface: operation cancelAnimationFrame(long)]
    expected: FAIL

  [Window interface: window must inherit property "requestAnimationFrame" with the proper type (0)]
    expected: FAIL

  [Window interface: calling requestAnimationFrame(FrameRequestCallback) on window with too few arguments must throw TypeError]
    expected: FAIL

  [Window interface: window must inherit property "cancelAnimationFrame" with the proper type (1)]
    expected: FAIL

  [Window interface: calling cancelAnimationFrame(long) on window with too few arguments must throw TypeError]
    expected: FAIL