GitLab

Removed remaining use of global NativeTheme accessor from profile
menu and added color update capability on theme change.

Fixed spacing on HoverButtons taking image views for consistency with
other constructors.

Bug: None
Change-Id: I717a45fb068a3bd35b992797e38e729da1cd3521
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2072998
Commit-Queue: Thomas Lukaszewicz <tluk@chromium.org>
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#745058}