Improve channel mixing support in AudioBus so that we can pass:
Created attachment 406757 [details]
Committed r265794: <https://trac.webkit.org/changeset/265794>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 406757 [details].
Reopening to attach new patch.
Created attachment 408332 [details]
Sorry for the confusion, I had a typo when uploading to another patch and ended up uploading to this patch
Created attachment 408335 [details]