Moving last generic Prefs implementation files to base/prefs/.

This completes componentization of Prefs, although there are some
remaining TODOs that were created during componentization and
interface improvement that still need to be tackled.

TBR=ben@chromium.org
BUG=155525


Review URL: https://chromiumcodereview.appspot.com/12253004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@182485 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: e5ba874f019eb505a048ffb38aadf8bb5f495d7f
7 files changed
tree: e75b1fb0ee26a817454300bd800db073626bc868
  1. base/
  2. build/
  3. dbus/
  4. ipc/
  5. testing/
  6. third_party/