GitLab

Adds two shorthand functions to create, get, or check existence of
primary OffTheRecord profile.

Bug: 1033903, 1060940
Change-Id: Ic9ff38ea0f9961088a6d34a94ef2f7eaa2bcd9e6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2130351Reviewed-by: Mihai Sardarescu <msarda@chromium.org>
Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
Cr-Commit-Position: refs/heads/master@{#757438}