GitLab

Uses COLOR_TOOLBAR_VERTICAL_SEPARATOR instead of the toolbar button
color. This matches the separators used in the bookmarks and download
bars.

Bug: chromium:822069
Change-Id: Iea05d91bebf432f90e58d09104118cb322b00e23
Reviewed-on: https://chromium-review.googlesource.com/1048842
Commit-Queue: Peter Boström <pbos@chromium.org>
Commit-Queue: Peter Kasting <pkasting@chromium.org>
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#556654}