The calls to effectiveDrawingContext() take a lot of time in some canvas tests. There are multiple virtual function calls for each call to effectiveDrawingContext().
<rdar://problem/131636489>
Pull request: https://github.com/WebKit/WebKit/pull/30766
Committed 280935@main (5d3de50d060a): <https://commits.webkit.org/280935@main> Reviewed commits have been landed. Closing PR #30766 and removing active labels.