GitLab

Loads action sheet on bottom of page when selecting the menu button
from the NTP Discover feed header. Adds 2 actions: 'Manage Interests'
and 'Learn More' which both open a URL in the current tab.

Bug: 1085419
Change-Id: Ieaa7785d5dfb0c34575828d5551b53b4b8b1a0fd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2305910Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: Sergio Collazos <sczs@chromium.org>
Commit-Queue: Adam Trudeau-Arcaro <adamta@google.com>
Cr-Commit-Position: refs/heads/master@{#791334}