To support the work towards running accelerated animations in a separate thread, we must make the offset-rotate blending code accessible outside of CSSPropertyAnimation.cpp.
<rdar://problem/104526186>
Pull request: https://github.com/WebKit/WebKit/pull/8948
Committed 259192@main (b70c536fec72): <https://commits.webkit.org/259192@main> Reviewed commits have been landed. Closing PR #8948 and removing active labels.