Move pref backing up flags from local state to device settings on ChromeOS.

BUG=chromium-os:39250
TEST=Existing unit and browser tests should pass.


Review URL: https://chromiumcodereview.appspot.com/12452003

git-svn-id: http://src.chromium.org/svn/trunk/src/chrome/browser/policy/proto@186837 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
1 file changed