chrome/browser/chromeos/login/default_pinned_apps_field_trial.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chromeos/login/default_pinned_apps_field_trial.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/prefs/pref_registry_simple.h"
   9 #include "base/prefs/pref_service.h"
  10
  11 namespace chromeos {
  12 namespace default_pinned_apps_field_trial {
  13
  14 namespace {
  15
  16 // Name of a local state pref to store the list of users that participate
  17 // the experiment.
  18 const char kExperimentUsers[] = "DefaultPinnedAppsExperimentUsers";
  19
  20 }  // namespace
  21
  22 void RegisterPrefs(PrefRegistrySimple* registry) {
  23   registry->RegisterListPref(kExperimentUsers);
  24 }
  25
  26 void MigratePrefs(PrefService* local_state) {
  27   // TODO(xiyuan): Remove everything in M34.
  28   local_state->ClearPref(kExperimentUsers);
  29 }
  30
  31 }  // namespace default_pinned_apps_field_trial
  32 }  // namespace chromeos