GitLab

We have different areas for different content
when it is displayed. This updates the mojo
API to filter the content type of the feed
content based on the current tab.

BUG=1053599

Change-Id: I658e85c00fe43e10be94d9585a397b2a0771ee44
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2308997
Commit-Queue: Becca Hughes <beccahughes@chromium.org>
Reviewed-by: Tommy Steimel <steimel@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#790911}