Automatic update from web-platform-tests Fix sampling of keyframe effect's in the before phase Pass the limit direction to apply at discontinuous boundaries of the timing function to the sampling methods to follow the special handling of the before phase on step timing functions defined in https://drafts.csswg.org/css-easing/#step-easing-algo Bug: 40870829 Change-Id: I56128d70670dc0e145b5e19a29b1a898b3f0105e Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5630828 Reviewed-by: Robert Flack <flackr@chromium.org> Commit-Queue: Kevin Ellis <kevers@chromium.org> Cr-Commit-Position: refs/heads/main@{#1317089} -- wpt-commits: ba3f63dd69d2d3be6e71c023bca014dc272feb94 wpt-pr: 46819