[Sync] Rename syncable_prefs to sync_preferences.

components/sync_preferences/pref_service_mock_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_MOCK_FACTORY_H_
-#define COMPONENTS_SYNCABLE_PREFS_PREF_SERVICE_MOCK_FACTORY_H_
+#ifndef COMPONENTS_SYNC_PREFERENCES_PREF_SERVICE_MOCK_FACTORY_H_
+#define COMPONENTS_SYNC_PREFERENCES_PREF_SERVICE_MOCK_FACTORY_H_
 
 #include "base/macros.h"
-#include "components/syncable_prefs/pref_service_syncable_factory.h"
+#include "components/sync_preferences/pref_service_syncable_factory.h"
 
-namespace syncable_prefs {
+namespace sync_preferences {
 
 // A helper that allows convenient building of custom PrefServices in tests.
 class PrefServiceMockFactory : public PrefServiceSyncableFactory {
  public:
   PrefServiceMockFactory();
   ~PrefServiceMockFactory() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PrefServiceMockFactory);
 };
 
-}  // namespace syncable_prefs
+}  // namespace sync_preferences
 
-#endif  // COMPONENTS_SYNCABLE_PREFS_PREF_SERVICE_MOCK_FACTORY_H_
+#endif  // COMPONENTS_SYNC_PREFERENCES_PREF_SERVICE_MOCK_FACTORY_H_