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}
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}