[request-video-frame-callback.html]
expected:
if (os == "win") and debug: [OK, TIMEOUT]
[Test we can register a video.rVFC callback.]
expected: FAIL
[Test we can cancel a video.rVFC request.]
expected: FAIL
[Test invalid calls to the video.rVFC API.]
expected: FAIL
[Test video.rVFC callbacks run before window.rAF callbacks.]
expected: FAIL
[Test video.rVFC does not stop when switching sources.]
expected: FAIL