The test fast/events/tabindex-focus-blur-all.html started failing after http://trac.webkit.org/changeset/147591 - https://bugs.webkit.org/show_bug.cgi?id=32292 The test fails on WebKitTestRunner but pass if run manually.
Fixed by https://bugs.webkit.org/show_bug.cgi?id=113950
Mass move bugs into the DOM component.