[WebIDL] Split more IDL files by spec
Created attachment 410430 [details] Patch
Created attachment 410432 [details] Patch
Created attachment 410435 [details] Patch
Committed r267935: <https://trac.webkit.org/changeset/267935> All reviewed patches have been landed. Closing bug and clearing flags on attachment 410435 [details].
<rdar://problem/69920827>