Bug 263275

Summary:	RemoteLayerTreeDrawingAreaProxy::waitForDidUpdateActivityState doesn't dispatch didRefreshDisplay if it tries to wait for a second commitLayerTree message
Product:	WebKit	Reporter:	Matt Woodrow <mattwoodrow>
Component:	Layout and Rendering	Assignee:	Matt Woodrow <mattwoodrow>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	bfulgham, simon.fraser, webkit-bug-importer, zalan
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description Matt Woodrow 2023-10-17 13:09:12 PDT

<rdar://113318934>

waitForDidUpdateActivityState sends a didRefreshDisplay message to the web content process (if one was pending) to ensure that the web process knows it can commit a new layer tree.

If the incoming CommitLayerTree message didn't include the right activity state change, then we wait again, but don't send a new didRefreshDisplay, and we wait for a message that isn't coming.

Comment 1 Matt Woodrow 2023-10-17 13:10:56 PDT

Pull request: https://github.com/WebKit/WebKit/pull/19182

Comment 2 EWS 2023-10-18 13:56:43 PDT

Committed 269486@main (ee5c4b70a09c): <https://commits.webkit.org/269486@main>

Reviewed commits have been landed. Closing PR #19182 and removing active labels.