Switch to standard integer types in components/, part 4 of 4.

components/syncable_prefs/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_
 
+#include "base/macros.h"
 #include "components/syncable_prefs/pref_service_syncable_factory.h"
 
 namespace syncable_prefs {
 
 // 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
 
 #endif  // COMPONENTS_SYNCABLE_PREFS_PREF_SERVICE_MOCK_FACTORY_H_