GitLab

Makes use of SetFocusTraversableParent to declare where focus should go
after the view has been fully traversed.

Fixes infinite recursion where LoginUserMenu would redirect focus to its
anchor and then forward focus (which takes it inside LoginUserMenu as
the dialog is anchored).

Bug: chromium:901456
Change-Id: I138be71866760de84980f5e4ca0c1b42d6d1793f
Reviewed-on: https://chromium-review.googlesource.com/c/1338222
Commit-Queue: Peter Boström <pbos@chromium.org>
Reviewed-by: Jacob Dufault <jdufault@chromium.org>
Cr-Commit-Position: refs/heads/master@{#613367}