Add a test for -focusTextInputContext on a field in detached frame
Created attachment 396867 [details] Patch
This patch depends on the patch for bug #210697 due to placement of the added test in the file.
Created attachment 397111 [details] Test
Comment on attachment 397111 [details] Test Clearing flags on attachment: 397111 Committed r260541: <https://trac.webkit.org/changeset/260541>
All reviewed patches have been landed. Closing bug.
<rdar://problem/62219438>