Handle deprecation warnings from libwebrtc headers
<rdar://problem/69747375>
Created attachment 410119 [details] Patch
Committed r267799: <https://trac.webkit.org/changeset/267799> All reviewed patches have been landed. Closing bug and clearing flags on attachment 410119 [details].
Reopening to attach new patch.
Created attachment 410248 [details] A follow-up patch
Committed r267855: <https://trac.webkit.org/changeset/267855> All reviewed patches have been landed. Closing bug and clearing flags on attachment 410248 [details].