GitLab

Pull out a couple of hard-coded layout constants in LocationBarView and put them
in layout_constants.*. Also audit the uses of these layout constants and update
places that should be using them.

Bug: 801583
Change-Id: Ia157cd313020a17fa4f8ebda662545395c29855b
Reviewed-on: https://chromium-review.googlesource.com/923503Reviewed-by: Trent Apted <tapted@chromium.org>
Commit-Queue: Patti <patricialor@chromium.org>
Cr-Commit-Position: refs/heads/master@{#537572}