MediaSource.isTypeSupported('video/mp4; codecs="hvc1.1.6.L60.B0') is inproperly rejected
It appears that we are rejecting the codec string because we are folding the content type to lowercase, and the "L" in the codec string is rejected as "l".
<rdar://problem/45709728>
Created attachment 353524 [details] Patch
Comment on attachment 353524 [details] Patch Clearing flags on attachment: 353524 Committed r237655: <https://trac.webkit.org/changeset/237655>
All reviewed patches have been landed. Closing bug.