GitLab

Plumbs the url of the favicon and the answer type from OPVI to
OmniboxMediator.

Bug: 945313, 945324
Change-Id: I759c5d83d7a677bb6be9e5aedf3ddd8666989fec
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1572354
Commit-Queue: Stepan Khapugin <stkhapugin@chromium.org>
Reviewed-by: Robbie Gibson <rkgibson@google.com>
Cr-Commit-Position: refs/heads/master@{#652214}