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

components/sync/device_info/device_info_service_unittest.cc

 // Copyright 2015 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/device_info/device_info_service.h"
 
 #include <algorithm>
 #include <set>
 #include <utility>
 
@@ skipping 170 matching lines @@
       ModelTypeService* service) {
     auto processor = base::MakeUnique<RecordingModelTypeChangeProcessor>();
     processor_ = processor.get();
     return std::move(processor);
   }
 
   // Initialized the service based on the current local device and store. Can
   // only be called once per run, as it passes |store_|.
   void InitializeService() {
     ASSERT_TRUE(store_);
-    service_.reset(new DeviceInfoService(
+    service_ = base::MakeUnique<DeviceInfoService>(
         local_device_.get(),
         base::Bind(&ModelTypeStoreTestUtil::MoveStoreToCallback,
                    base::Passed(&store_)),
         base::Bind(&DeviceInfoServiceTest::CreateModelTypeChangeProcessor,
-                   base::Unretained(this))));
+                   base::Unretained(this)));
     service_->AddObserver(this);
   }
 
   // Creates the service and runs any outstanding tasks. This will typically
   // cause all initialization callbacks between the sevice and store to fire.
   void InitializeAndPump() {
     InitializeService();
     base::RunLoop().RunUntilIdle();
   }
 
@@ skipping 520 matching lines @@
   specifics.set_cache_guid("non-local");
   PushBackEntityChangeAdd(specifics, &change_list);
   service()->ApplySyncChanges(service()->CreateMetadataChangeList(),
                               change_list);
   EXPECT_EQ(2, service()->CountActiveDevices());
 }
 
 }  // namespace
 
 }  // namespace syncer