1 Prefs is a general-purpose key-value store for application preferences. 2 3 The Prefs code lives in base/prefs but is not part of the 4 'base/base.gyp:base' library because of a desire to keep its use 5 optional. If you use Prefs, you should add a GYP dependency on 6 base/base.gyp:base_prefs. 7