LayoutTests/media/media-source/media-source-allowed-containers-expected.txt

RUN(internals.settings.setAllowedMediaContainerTypes(null))
EXPECTED (MediaSource.isTypeSupported("video/mp4") == 'true') OK
RUN(internals.settings.setAllowedMediaContainerTypes("video/mp4"))
EXPECTED (MediaSource.isTypeSupported("video/mp4") == 'true') OK
RUN(internals.settings.setAllowedMediaContainerTypes("video/webm"))
EXPECTED (MediaSource.isTypeSupported("video/mp4") == 'false') OK
END OF TEST