Automatic update from web-platform-tests Forbid generated images as cursor via light-dark() (#60469) The 'cursor' property forbids generated images, but light-dark() resolved its branches without honoring that policy, letting a gradient become a cursor image. Gradients are re-instantiated on every style recalc, so the per-instance image-observer bookkeeping in UpdateCursorImages drifted and RemoveClient() hit a SECURITY_CHECK during layout teardown. Bug: 518872187 Change-Id: I45cab2c148b60a673f1381e560d90d6ce9d57e9c Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7898340 Reviewed-by: Rune Lillesveen <futhark@chromium.org> Commit-Queue: Jason Leo <cgqaq@chromium.org> Cr-Commit-Position: refs/heads/main@{#1642106} Co-authored-by: Jason Leo <cgqaq@chromium.org> -- wpt-commits: abb03d330520ffdf458433d209e3fbd9b2842c74 wpt-pr: 60469