The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/a194776f21f4996796175a18f8977c4389e1d0c7

commit a194776f21f4996796175a18f8977c4389e1d0c7
Author: Fabio Tirelo <ftirelo@chromium.org>
Date: Thu Jun 07 16:57:01 2018

[af] Set accessibility node for new dropdown

The current implementation reads "autofill menu opened" for the old
dropdown, but only "menu opened" for the new dropdown.

Bug:  850094 
Change-Id: I825069866462897116dc179f6418a8f87f1c3467
Reviewed-on: https://chromium-review.googlesource.com/1088764
Reviewed-by: Evan Stade <estade@chromium.org>
Commit-Queue: Fabio Tirelo <ftirelo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#565300}
[modify] https://crrev.com/a194776f21f4996796175a18f8977c4389e1d0c7/chrome/browser/ui/views/autofill/autofill_popup_base_view.cc
[modify] https://crrev.com/a194776f21f4996796175a18f8977c4389e1d0c7/chrome/browser/ui/views/autofill/autofill_popup_base_view.h
[modify] https://crrev.com/a194776f21f4996796175a18f8977c4389e1d0c7/chrome/browser/ui/views/autofill/autofill_popup_view_native_views.cc
[modify] https://crrev.com/a194776f21f4996796175a18f8977c4389e1d0c7/chrome/browser/ui/views/autofill/autofill_popup_view_views.cc
[modify] https://crrev.com/a194776f21f4996796175a18f8977c4389e1d0c7/chrome/browser/ui/views/autofill/autofill_popup_view_views.h