Andreas Kling 98b13da3b4 LibWeb: Move adopted stylesheet invalidation into a helper ...

AdoptedStyleSheets.cpp still handled CSS-side fallout from adopted sheet
list mutations directly. Move sheet attachment and media-query setup to
a CSS invalidation helper, along with rule-cache invalidation.

The observable array callbacks continue to validate JS values and
same-document construction rules. The helper now owns the CSS work for
when a constructed stylesheet becomes visible to, or is removed from, a
Document or ShadowRoot.

2026-04-29 15:47:23 +02:00

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