GitLab

During profile signin intercept, if the new account already has a
profile, do not offer moving to Guest mode.

Bug: 1157764
Change-Id: I2095eeae7c61d5ff8c91082b2f1d52d040d9a055
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2611246
Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
Reviewed-by: David Roger <droger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#841478}