Tighten checks when creating an audio buffer list.
<rdar://problem/68271376>
Created attachment 408166 [details] Patch
Created attachment 408182 [details] Patch
Comment on attachment 408182 [details] Patch r=me
Committed r266745: <https://trac.webkit.org/changeset/266745> All reviewed patches have been landed. Closing bug and clearing flags on attachment 408182 [details].