Add a visual debug indicator for locating and identifying all kinds of WebViews
Created attachment 395403 [details] Patch
<rdar://problem/60339870>
Created attachment 395404 [details] Patch
Created attachment 395405 [details] Patch
Committed r259512: <https://trac.webkit.org/changeset/259512> All reviewed patches have been landed. Closing bug and clearing flags on attachment 395405 [details].