Resync web-platform-tests/encoding from upstream.
Created attachment 404605 [details] Patch
Comment on attachment 404605 [details] Patch r=me
Created attachment 404621 [details] Patch
Committed r264561: <https://trac.webkit.org/changeset/264561> All reviewed patches have been landed. Closing bug and clearing flags on attachment 404621 [details].
<rdar://problem/65752149>