Bug 252963

Summary:	[UI-side compositing] RemoteScrollingTree needs to hold a weak ref to the RemoteScrollingCoordinatorProxy
Product:	WebKit	Reporter:	Simon Fraser (smfr) <simon.fraser>
Component:	Scrolling	Assignee:	Simon Fraser (smfr) <simon.fraser>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	simon.fraser, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Local Build
Hardware:	Unspecified
OS:	Unspecified

Description Simon Fraser (smfr) 2023-02-26 11:51:25 PST

The scrolling thread may retain the RemoteScrollingTree after the RemoteScrollingCoordinatorProxy has been destroyed, so needs to use a WeakPtr to reference the RemoteScrollingCoordinatorProxy.

Comment 1 Radar WebKit Bug Importer 2023-02-26 11:51:43 PST

<rdar://problem/105949247>

Comment 2 Simon Fraser (smfr) 2023-02-26 11:55:28 PST

Pull request: https://github.com/WebKit/WebKit/pull/10698

Comment 3 EWS 2023-02-27 12:36:10 PST

Committed 260898@main (e8575a9871ec): <https://commits.webkit.org/260898@main>

Reviewed commits have been landed. Closing PR #10698 and removing active labels.