GitLab

The UI of the top-level master toggle is added to sync settings.

For now the toggle changes whether all data types of sync should
be turned on or only a custom selection (taken over from before).
This should be changed once the unified consent service is implemented.

Bug: 800974
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: I7eea3059ab90a3e47d9d5306e4a6359efdba0cf5
Reviewed-on: https://chromium-review.googlesource.com/1023934
Commit-Queue: Thomas Tangl <tangltom@chromium.org>
Reviewed-by: Scott Chen <scottchen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#553525}