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This Cl permanently exposes HUD controls and adds tabbed controls as a
preparation to adding more data.

Tabbed UI:

https://screenshot.googleplex.com/uQSuqEps8s8.png - First tab active.
https://screenshot.googleplex.com/YdMcrG74OiP.png - Second tab active.
https://screenshot.googleplex.com/7t5ZSVU2fWB.png - Third tab active.
https://screenshot.googleplex.com/MtoB750fA4C.png - Settings UI.

Bug: 1075612
Change-Id: Ic5101f302b071e060ab54de6f8fb6b510e0250ff
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2348337
Commit-Queue: Alexander Alekseev <alemate@chromium.org>
Reviewed-by: Mitsuru Oshima <oshima@chromium.org>
Cr-Commit-Position: refs/heads/master@{#797733}