VideoFrame needs to be declared
<rdar://problem/105304624>
Pull request: https://github.com/WebKit/WebKit/pull/9962
Committed 260141@main (da77e2006253): <https://commits.webkit.org/260141@main> Reviewed commits have been landed. Closing PR #9962 and removing active labels.
*** Bug 252095 has been marked as a duplicate of this bug. ***