All setting switches except "Loopback mode" is now in the Settings
screen instead of the main screen. They are also persisted across app
launches.
Bug: webrtc:7748
Change-Id: Iafd84e5e39639770118e2503148d1bf7fb9c3d8d
Reviewed-on: https://chromium-review.googlesource.com/527034
Commit-Queue: Magnus Jedvert <magjed@webrtc.org>
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#18626}
Because the new API doesn't use constraints, refactors settings to instead have a
video resolution setting.
BUG=webrtc:7177
Review-Url: https://codereview.webrtc.org/2778163005
Cr-Commit-Position: refs/heads/master@{#17545}
Moves settings model and related classes to code common for both iOS
and Mac.
BUG=webrtc:7177,webrtc:6494
Review-Url: https://codereview.webrtc.org/2770113004
Cr-Commit-Position: refs/heads/master@{#17408}
