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