The following layout test is flaky on GTK http/tests/misc/iframe-reparenting-id-collision.html Probable cause: [insert probable cause]
See http://webkit-test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=http%2Ftests%2Fmisc%2Fiframe-reparenting-id-collision.html&revision=152440 for the record on flakyness.
The test(s) filed under this bug have been consistently passing for the last 4000 revisions. Marking bug as fixed. Committed r263254: <https://trac.webkit.org/changeset/263254>
<rdar://problem/64520205>
<rdar://problem/64520208>