Revert of Delete base/prefs and update callers to use components.

components/syncable_prefs/pref_service_syncable_factory.h

 // Copyright 2013 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.
 
 #ifndef COMPONENTS_SYNCABLE_PREFS_PREF_SERVICE_SYNCABLE_FACTORY_H_
 #define COMPONENTS_SYNCABLE_PREFS_PREF_SERVICE_SYNCABLE_FACTORY_H_
 
 #include "base/macros.h"
 #include "components/prefs/pref_service_factory.h"
 
@@ skipping 11 matching lines @@
 }
 
 namespace syncable_prefs {
 
 class PrefModelAssociatorClient;
 class PrefServiceSyncable;
 
 // A PrefServiceFactory that also knows how to build a
 // PrefServiceSyncable, and may know about Chrome concepts such as
 // PolicyService.
-class PrefServiceSyncableFactory : public PrefServiceFactory {
+class PrefServiceSyncableFactory : public base::PrefServiceFactory {
  public:
   PrefServiceSyncableFactory();
   ~PrefServiceSyncableFactory() override;
 
 #if defined(ENABLE_CONFIGURATION_POLICY)
   // Set up policy pref stores using the given policy service and connector.
   void SetManagedPolicies(policy::PolicyService* service,
                           policy::BrowserPolicyConnector* connector);
   void SetRecommendedPolicies(policy::PolicyService* service,
                               policy::BrowserPolicyConnector* connector);
 #endif
 
   void SetPrefModelAssociatorClient(
       PrefModelAssociatorClient* pref_model_associator_client);
 
   scoped_ptr<PrefServiceSyncable> CreateSyncable(
       user_prefs::PrefRegistrySyncable* registry);
 
  private:
   PrefModelAssociatorClient* pref_model_associator_client_;
 
   DISALLOW_COPY_AND_ASSIGN(PrefServiceSyncableFactory);
 };
 
 }  // namespace syncable_prefs
 
 #endif  // COMPONENTS_SYNCABLE_PREFS_PREF_SERVICE_SYNCABLE_FACTORY_H_