Steps: 1. Open Timelines tab 2. Click on "Layout & Rendering" (or any other Timelines' instruments) 3. Click on the X button Actual: Visible focus outline around "Layout & Rendering". Expected: No focus outline.
<rdar://problem/62998871>
Created attachment 398814 [details] Patch
Created attachment 398815 [details] [Video] With patch applied
Committed r261362: <https://trac.webkit.org/changeset/261362> All reviewed patches have been landed. Closing bug and clearing flags on attachment 398814 [details].