We should turn on accelerated drawing (IOSurface) for macOS layout tests.
Created attachment 462910 [details] Patch
<rdar://problem/100990507>
Pull request: https://github.com/WebKit/WebKit/pull/5781
Committed 256180@main (72ca6446e764): <https://commits.webkit.org/256180@main> Reviewed commits have been landed. Closing PR #5781 and removing active labels.