Bug 243896

Summary: WebViewImpl::isUsingUISideCompositing() should not rely on there being a DrawingAreaProxy
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: WebKit2Assignee: Simon Fraser (smfr) <simon.fraser>
Status: RESOLVED FIXED    
Severity: Normal CC: kkinnunen, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Safari Technology Preview   
Hardware: Unspecified   
OS: Unspecified   

Description Simon Fraser (smfr) 2022-08-12 13:21:23 PDT 
WebViewImpl::isUsingUISideCompositing() gets called before we've created a DrawingAreaProxy, so returns false then. In order to use the new WKScrollView/WKContentView code path, we need it to give an accurate result.
Comment 1 Simon Fraser (smfr) 2022-08-12 13:23:33 PDT 
Pull request: https://github.com/WebKit/WebKit/pull/3273
Comment 2 EWS 2022-08-14 21:47:41 PDT 
Committed 253417@main (1dfe5d397bd9): <https://commits.webkit.org/253417@main>

Reviewed commits have been landed. Closing PR #3273 and removing active labels.
Comment 3 Radar WebKit Bug Importer 2022-08-14 21:48:17 PDT 
<rdar://problem/98653866>