[Sync] Move //components/sync to the syncer namespace.

components/sync/core_impl/test/model_type_store_test_util.cc

 // Copyright 2016 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/core/test/model_type_store_test_util.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/run_loop.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace syncer_v2 {
+namespace syncer {
 
 using Result = ModelTypeStore::Result;
 
 namespace {
 
 void MoveStoreToScopedPtr(std::unique_ptr<ModelTypeStore>* out_store,
                           Result result,
                           std::unique_ptr<ModelTypeStore> in_store) {
   ASSERT_EQ(Result::SUCCESS, result);
   std::swap(*out_store, in_store);
@@ skipping 16 matching lines @@
 }
 
 // static
 void ModelTypeStoreTestUtil::MoveStoreToCallback(
     std::unique_ptr<ModelTypeStore> store,
     const ModelTypeStore::InitCallback& callback) {
   ASSERT_TRUE(store);
   callback.Run(Result::SUCCESS, std::move(store));
 }
 
-}  // namespace syncer_v2
+}  // namespace syncer