GitLab

Some minor updated regarding incognito and off the record in profile
classes.

Bug: 968028
Change-Id: I2e842f43a89f113f615d7c691a26a1326a7ccab4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1649321Reviewed-by: Mihai Sardarescu <msarda@chromium.org>
Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
Cr-Commit-Position: refs/heads/master@{#667171}