[Web Animations] Turn Web Animations experimental
Created attachment 354547 [details] Patch
We only want to have Web Animations on by default when we also have the CSS integration on by default. The latter needs more work before it's ready for prime time.
Comment on attachment 354547 [details] Patch Clearing flags on attachment: 354547 Committed r238095: <https://trac.webkit.org/changeset/238095>
All reviewed patches have been landed. Closing bug.
<rdar://problem/45993174>