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

components/sync/driver/backend_migrator_unittest.cc

 // Copyright (c) 2012 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/driver/backend_migrator.h"
 
 #include <memory>
 
+#include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/tracked_objects.h"
 #include "components/sync/base/model_type_test_util.h"
 #include "components/sync/driver/data_type_manager_mock.h"
 #include "components/sync/driver/fake_sync_service.h"
 #include "components/sync/protocol/sync.pb.h"
 #include "components/sync/syncable/directory.h"
 #include "components/sync/syncable/test_user_share.h"
 #include "components/sync/syncable/write_transaction.h"
@@ skipping 13 matching lines @@
   SyncBackendMigratorTest() {}
   virtual ~SyncBackendMigratorTest() {}
 
   virtual void SetUp() {
     test_user_share_.SetUp();
     Mock::VerifyAndClear(manager());
     preferred_types_.Put(BOOKMARKS);
     preferred_types_.Put(PREFERENCES);
     preferred_types_.Put(AUTOFILL);
 
-    migrator_.reset(new BackendMigrator("Profile0",
-                                        test_user_share_.user_share(),
-                                        service(), manager(), base::Closure()));
+    migrator_ = base::MakeUnique<BackendMigrator>(
+        "Profile0", test_user_share_.user_share(), service(), manager(),
+        base::Closure());
     SetUnsyncedTypes(ModelTypeSet());
   }
 
   virtual void TearDown() {
     migrator_.reset();
     test_user_share_.TearDown();
   }
 
   // Marks all types in |unsynced_types| as unsynced  and all other
   // types as synced.
@@ skipping 242 matching lines @@
       .WillOnce(Return(DataTypeManager::CONFIGURED));
   EXPECT_CALL(*manager(), PurgeForMigration(_, CONFIGURE_REASON_MIGRATION))
       .Times(1);
   migrator()->MigrateTypes(to_migrate);
   SetUnsyncedTypes(ModelTypeSet());
   SendConfigureDone(DataTypeManager::ABORTED, ModelTypeSet());
   EXPECT_EQ(BackendMigrator::IDLE, migrator()->state());
 }
 
 };  // namespace syncer