Test HTMLMediaElement canPlayType() method for ogg media containers.

These tests may be expected to fail if the WebKit port does not support the format.

EXPECTED (video.canPlayType('audio/ogg') == 'maybe') OK
EXPECTED (video.canPlayType('video/ogg') == 'maybe') OK
EXPECTED (video.canPlayType('audio/ogg; codecs=vorbis') == 'probably') OK
EXPECTED (video.canPlayType('audio/ogg; codecs=opus') == 'probably') OK
EXPECTED (video.canPlayType('video/ogg; codecs=theora') == 'probably') OK
EXPECTED (video.canPlayType('video/ogg; codecs=theora,vorbis') == 'probably') OK
END OF TEST

