Annotate mediaType with an availability macro Just an oversight
Created attachment 391834 [details] Patch
Created attachment 391835 [details] Patch
Comment on attachment 391835 [details] Patch Clearing flags on attachment: 391835 Committed r257555: <https://trac.webkit.org/changeset/257555>
All reviewed patches have been landed. Closing bug.
<rdar://problem/59834940>