Refactor preference syncing.

chrome/browser/chromeos/login/signed_settings_temp_storage.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/login/signed_settings_temp_storage.h"
 
 #include "base/lazy_instance.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/ownership_service.h"
 #include "chrome/browser/chromeos/login/signed_settings.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/common/pref_names.h"
 
 static base::LazyInstance<chromeos::SignedSettings::Delegate<bool> >
     g_signed_settings_delegate(base::LINKER_INITIALIZED);
 
 namespace chromeos {
 
 // static
 void SignedSettingsTempStorage::RegisterPrefs(PrefService* local_state) {
-  local_state->RegisterDictionaryPref(prefs::kSignedSettingsTempStorage);
+  local_state->RegisterDictionaryPref(prefs::kSignedSettingsTempStorage,
+                                      false /* don't sync pref */);
 }
 
 // static
 bool SignedSettingsTempStorage::Store(const std::string& name,
                                       const std::string& value,
                                       PrefService* local_state) {
   if (local_state) {
     DictionaryPrefUpdate temp_storage_update(
         local_state, prefs::kSignedSettingsTempStorage);
     temp_storage_update->SetWithoutPathExpansion(
@@ skipping 37 matching lines @@
         SignedSettings::CreateStorePropertyOp(
             *it, value,
             g_signed_settings_delegate.Pointer())->Execute();
       }
       local_state->ClearPref(prefs::kSignedSettingsTempStorage);
     }
   }
 }
 
 }  // namespace chromeos