Clip scrollable_overflow to border box for overflow:hidden/clip - #612
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When a node has overflow:hidden or overflow:clip on an axis, children outside the border box are now skipped during hit testing in hit_inner. This prevents a child with a transform that escapes its parent's clip region from being hit-tested, which caused incorrect cursor and hover state.
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When an element has overflow:hidden or overflow:clip on an axis, its scrollable_overflow now gets clipped to the border box on that axis. This prevents hit testing from matching children that are visually clipped, which caused incorrect cursor and hover state when a child with a transform escaped its parent's overflow:hidden clipping.
WPT results
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main.Generated by the WPT workflow.