Revert of [Sync] Move //components/sync to the syncer namespace. (patchset #5 id:40001 of https://co

components/sync/driver/data_type_controller_mock.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/driver/data_type_controller_mock.h"
 
-namespace syncer {
+namespace sync_driver {
 
 StartCallbackMock::StartCallbackMock() {}
 
 StartCallbackMock::~StartCallbackMock() {}
 
 ModelLoadCallbackMock::ModelLoadCallbackMock() {}
 
 ModelLoadCallbackMock::~ModelLoadCallbackMock() {}
 
-}  // namespace syncer
+}  // namespace sync_driver