[Sync] Rewriting ".reset(new" pattern to use "= base::MakeUnique" instead.

components/sync/engine_impl/model_type_registry_unittest.cc

 // Copyright 2014 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 "components/sync/engine_impl/model_type_registry.h"
 
 #include <utility>
 
 #include "base/deferred_sequenced_task_runner.h"
 #include "base/memory/ptr_util.h"
@@ skipping 63 matching lines @@
 void ModelTypeRegistryTest::SetUp() {
   dir_maker_.SetUp();
   scoped_refptr<ModelSafeWorker> passive_worker(
       new FakeModelWorker(GROUP_PASSIVE));
   scoped_refptr<ModelSafeWorker> ui_worker(new FakeModelWorker(GROUP_UI));
   scoped_refptr<ModelSafeWorker> db_worker(new FakeModelWorker(GROUP_DB));
   workers_.push_back(passive_worker);
   workers_.push_back(ui_worker);
   workers_.push_back(db_worker);
 
-  registry_.reset(
-      new ModelTypeRegistry(workers_, directory(), &mock_nudge_handler_));
+  registry_ = base::MakeUnique<ModelTypeRegistry>(workers_, directory(),
+                                                  &mock_nudge_handler_);
 }
 
 void ModelTypeRegistryTest::TearDown() {
   registry_.reset();
   workers_.clear();
   dir_maker_.TearDown();
 }
 
 ModelTypeRegistry* ModelTypeRegistryTest::registry() {
   return registry_.get();
@@ skipping 166 matching lines @@
   registry()->ConnectType(
       THEMES,
       MakeActivationContext(model_type_state,
                             base::WrapUnique(new FakeModelTypeProcessor())));
 
   EXPECT_EQ(ModelTypeSet(AUTOFILL, THEMES),
             registry()->GetInitialSyncEndedTypes());
 }
 
 }  // namespace syncer