GitLab

updateUI accepts a dictionary now, where the developer can change the
title and/or the icon.

TBR=haraken@chromium.org

Bug: 865063
Change-Id: I779c05ee6bdeee83ce94793eddb4409af95395c6
Reviewed-on: https://chromium-review.googlesource.com/1142152
Commit-Queue: Rayan Kanso <rayankans@chromium.org>
Reviewed-by: Peter Beverloo <peter@chromium.org>
Reviewed-by: Mugdha Lakhani <nator@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577524}