Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/sync/glue/session_model_associator.cc

 // Copyright (c) 2012 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/sync/glue/session_model_associator.h"
 
 #include <algorithm>
 #include <set>
 #include <utility>
 
@@ skipping 84 matching lines @@
       ALLOW_THIS_IN_INITIALIZER_LIST(test_weak_factory_(this)),
       profile_(sync_service->profile()),
       pref_service_(profile_->GetPrefs()),
       error_handler_(error_handler) {
   DCHECK(CalledOnValidThread());
   DCHECK(sync_service_);
   DCHECK(profile_);
   if (pref_service_->FindPreference(kSyncSessionsGUID) == NULL) {
     pref_service_->RegisterStringPref(kSyncSessionsGUID,
                                       std::string(),
-                                      PrefService::UNSYNCABLE_PREF);
+                                      PrefServiceSyncable::UNSYNCABLE_PREF);
   }
 }
 
 SessionModelAssociator::SessionModelAssociator(ProfileSyncService* sync_service,
                                                bool setup_for_test)
     : tab_pool_(sync_service),
       local_session_syncid_(syncer::kInvalidId),
       sync_service_(sync_service),
       stale_session_threshold_days_(kDefaultStaleSessionThresholdDays),
       setup_for_test_(setup_for_test),
@@ skipping 1182 matching lines @@
 
 bool SessionModelAssociator::CryptoReadyIfNecessary() {
   // We only access the cryptographer while holding a transaction.
   syncer::ReadTransaction trans(FROM_HERE, sync_service_->GetUserShare());
   const syncer::ModelTypeSet encrypted_types = trans.GetEncryptedTypes();
   return !encrypted_types.Has(SESSIONS) ||
          sync_service_->IsCryptographerReady(&trans);
 }
 
 }  // namespace browser_sync