GitLab

Extra IsSameProfile is removed from ChromeExtensionsBrowserClient and
a browser test is added to ensure it's working as expected.

Bug: 1033903, 727487
Change-Id: I7245f8b9491582674a1428d0f09500e4e443ba39
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2164627Reviewed-by: Mihai Sardarescu <msarda@chromium.org>
Reviewed-by: Brandon Tolsch <btolsch@chromium.org>
Reviewed-by: Karan Bhatia <karandeepb@chromium.org>
Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
Cr-Commit-Position: refs/heads/master@{#762724}