The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/069024e1d1610c5c5deb0208593496006a795488

commit 069024e1d1610c5c5deb0208593496006a795488
Author: Mathieu Perreault <mathp@chromium.org>
Date: Tue Oct 24 01:14:08 2017

[Autofill] Unmask and SaveCard Views dialogs enabled by default on Mac

Behind a feature flag (enabled by default).

Bug:  776731 
Change-Id: Ia56d80975567f4cb7fdb2e5454764a2b3d43b042
Reviewed-on: https://chromium-review.googlesource.com/731024
Reviewed-by: Rachel Blum <groby@chromium.org>
Commit-Queue: Mathieu Perreault <mathp@chromium.org>
Cr-Commit-Position: refs/heads/master@{#510972}
[modify] https://crrev.com/069024e1d1610c5c5deb0208593496006a795488/chrome/browser/about_flags.cc
[modify] https://crrev.com/069024e1d1610c5c5deb0208593496006a795488/chrome/browser/flag_descriptions.cc
[modify] https://crrev.com/069024e1d1610c5c5deb0208593496006a795488/chrome/browser/flag_descriptions.h
[modify] https://crrev.com/069024e1d1610c5c5deb0208593496006a795488/chrome/browser/ui/cocoa/autofill/card_unmask_prompt_view_views.mm
[modify] https://crrev.com/069024e1d1610c5c5deb0208593496006a795488/chrome/browser/ui/cocoa/autofill/save_card_bubble_view_views.mm
[modify] https://crrev.com/069024e1d1610c5c5deb0208593496006a795488/components/autofill/core/browser/autofill_experiments.cc
[modify] https://crrev.com/069024e1d1610c5c5deb0208593496006a795488/components/autofill/core/browser/autofill_experiments.h
[modify] https://crrev.com/069024e1d1610c5c5deb0208593496006a795488/tools/metrics/histograms/enums.xml