[Sync] Move DataTypeErrorHandler to //sync.

components/sync_driver/data_type_error_handler_mock.h

Index: components/sync_driver/data_type_error_handler_mock.h
diff --git a/components/sync_driver/data_type_error_handler_mock.h b/components/sync_driver/data_type_error_handler_mock.h
deleted file mode 100644
index c7051e6e20eff4e39961eeae5ed8c25faf0fe7b0..0000000000000000000000000000000000000000
--- a/components/sync_driver/data_type_error_handler_mock.h
+++ /dev/null
@@ -1,29 +0,0 @@
-// 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.
-#ifndef COMPONENTS_SYNC_DRIVER_DATA_TYPE_ERROR_HANDLER_MOCK_H__
-#define COMPONENTS_SYNC_DRIVER_DATA_TYPE_ERROR_HANDLER_MOCK_H__
-
-#include <string>
-
-#include "components/sync_driver/data_type_error_handler.h"
-#include "sync/internal_api/public/base/model_type.h"
-#include "testing/gmock/include/gmock/gmock.h"
-
-namespace sync_driver {
-
-class DataTypeErrorHandlerMock : public DataTypeErrorHandler {
- public:
-  DataTypeErrorHandlerMock();
-  virtual ~DataTypeErrorHandlerMock();
-  MOCK_METHOD1(OnSingleDataTypeUnrecoverableError,
-               void(const syncer::SyncError&));
-  MOCK_METHOD3(CreateAndUploadError,
-                   syncer::SyncError(const tracked_objects::Location&,
-                             const std::string&,
-                             syncer::ModelType));
-};
-
-}  // namespace sync_driver
-
-#endif  // COMPONENTS_SYNC_DRIVER_DATA_TYPE_ERROR_HANDLER_MOCK_H__