GitLab

"Signin.Intercept.Guest.Availability" metric is added to record if Guest
option is available at signin intercept or not and why.

Bug: 1157764
Change-Id: I00dc3bb07b6b6cec758c206b1046a0c2e767d7b1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2620621Reviewed-by: David Roger <droger@chromium.org>
Reviewed-by: Weilun Shi <sweilun@chromium.org>
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
Cr-Commit-Position: refs/heads/master@{#842910}