chrome://conflicts - Add third-party conflicts debugging information

- Add the state of the 2 third-party related feature at the top of the
  chrome://conflicts page.
- Add a column to chrome://conflicts for the status of each module when
  one of the 2 features is active.

Cq-Include-Trybots: luci.chromium.try:closure_compilation
Change-Id: I633899f813aa03389239c1adf8f11bf1419ade0e
Reviewed-on: https://chromium-review.googlesource.com/1133965
Commit-Queue: Patrick Monette <pmonette@chromium.org>
Reviewed-by: Chris Hamilton <chrisha@chromium.org>
Reviewed-by: Bernhard Bauer <bauerb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#575832}
11 files changed