GitLab

Add a new icon for tab switch suggestions, to visually distinguish them
from suggestions which navigate.

Bug: 780835
Change-Id: I6aac9379808da0d7217d9fe84350c48c25104ff6
Reviewed-on: https://chromium-review.googlesource.com/766447Reviewed-by: Justin Donnelly <jdonnelly@chromium.org>
Commit-Queue: Kevin Bailey <krb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#516011}