GitLab

Add a new Polymer element, color-mode-select, to display color modes
(e.g. color, black and white, etc.) in a dropdown.

Bug: 1059779
Change-Id: I9bda4b992b0a3a1120a6332c0f3d91c614807b2c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2453109Reviewed-by: Jimmy Gong <jimmyxgong@chromium.org>
Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Commit-Queue: Kyle Horimoto <khorimoto@chromium.org>
Auto-Submit: Jesse Schettler <jschettler@chromium.org>
Cr-Commit-Position: refs/heads/master@{#815388}