We should rename the AnimationEvent and TransitionEvent source files internally to have a CSS prefix to make it clearer how they relate to CSSAnimation and CSSTransition classes.
Pull request: https://github.com/WebKit/WebKit/pull/6828
Committed 257039@main (65da5f9b2e68): <https://commits.webkit.org/257039@main> Reviewed commits have been landed. Closing PR #6828 and removing active labels.
<rdar://problem/102683747>