Introduce a new mechanism to denote that layout is up-to-date so that the release assertion in Document::updateLayout can allow such a construct even when ScriptDisallowedScope exists. This will be used in FrameSelection::setSelection for now.
Created attachment 457766 [details] Patch for landing
<rdar://problem/90482211>
Committed r292947 (?): <https://commits.webkit.org/r292947>
Comment on attachment 457766 [details] Patch for landing Sigh... CQ is taking forever here.
https://commits.webkit.org/249712@main
Re-opened since this is blocked by bug 239520