Focus ring color is expected to be opaque, since opacity used a paint time. We we getting this by accident before when the old RenderThemeMac::systemColor() used convertNSColorToColor(), which ignored alpha on NSColor.
<rdar://problem/42669297>
<rdar://problem/46675739>
Created attachment 357239 [details] Patch
The commit-queue encountered the following flaky tests while processing attachment 357239 [details]: imported/w3c/web-platform-tests/FileAPI/idlharness.worker.html bug 192673 The commit-queue is continuing to process your patch.
Comment on attachment 357239 [details] Patch Clearing flags on attachment: 357239 Committed r239173: <https://trac.webkit.org/changeset/239173>
All reviewed patches have been landed. Closing bug.