Re-write many calls to WrapUnique() with MakeUnique()

components/sync/engine_impl/model_type_worker.cc

Index: components/sync/engine_impl/model_type_worker.cc
diff --git a/components/sync/engine_impl/model_type_worker.cc b/components/sync/engine_impl/model_type_worker.cc
index dc238bb9db3e3f3005679c3301427818bcf880eb..af78776b0296019f7613d5459a72c14979f52459 100644
--- a/components/sync/engine_impl/model_type_worker.cc
+++ b/components/sync/engine_impl/model_type_worker.cc
@@ -425,7 +425,7 @@ WorkerEntityTracker* ModelTypeWorker::CreateEntityTracker(
     const EntityData& data) {
   DCHECK(entities_.find(data.client_tag_hash) == entities_.end());
   std::unique_ptr<WorkerEntityTracker> entity =
-      base::WrapUnique(new WorkerEntityTracker(data.id, data.client_tag_hash));
+      base::MakeUnique<WorkerEntityTracker>(data.id, data.client_tag_hash);
   WorkerEntityTracker* entity_ptr = entity.get();
   entities_[data.client_tag_hash] = std::move(entity);
   return entity_ptr;