GitLab

Sets the value of the new Autofill prefs "once" to the value of the now
deprecated Autofill master pref once all profile prefs are registered.
This is required for those users who had Autofill disabled before
introduction of the new prefs.

Bug: 870328,877801
Cq-Include-Trybots: luci.chromium.try:ios-simulator-cronet;luci.chromium.try:ios-simulator-full-configs
Change-Id: Iac4c1f7325c3a058b3d0fda0af0500a0ff23106a
Reviewed-on: https://chromium-review.googlesource.com/1194598
Commit-Queue: Moe Ahmadi <mahmadi@chromium.org>
Reviewed-by: Peter Lee <pkl@chromium.org>
Reviewed-by: Dominic Battré <battre@chromium.org>
Reviewed-by: Mathieu Perreault <mathp@chromium.org>
Reviewed-by: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#587613}