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- Press "Enter", open settings when Learn More button is chosen.
- Press "Up" from first candidate/ no candidates chosen, highlight
Learn More button.
- Press "Down" from last candidate, highlight Learn More button.

Bug: 1101195
Change-Id: I7900cef2ea361f777b6d6586d396541f10234946
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2280751Reviewed-by: Keith Lee <keithlee@chromium.org>
Reviewed-by: Jing Wang <jiwan@chromium.org>
Commit-Queue: My Nguyen <myy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#785291}