[Sync] Move the last things out of core/.

components/sync/core/test/fake_model_type_connector.h

-// 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_CORE_TEST_FAKE_MODEL_TYPE_CONNECTOR_H_
-#define COMPONENTS_SYNC_CORE_TEST_FAKE_MODEL_TYPE_CONNECTOR_H_
-
-#include <memory>
-
-#include "components/sync/core/model_type_connector.h"
-
-namespace syncer {
-
-// A no-op implementation of ModelTypeConnector for testing.
-class FakeModelTypeConnector : public ModelTypeConnector {
- public:
-  FakeModelTypeConnector();
-  ~FakeModelTypeConnector() override;
-
-  void ConnectType(
-      ModelType type,
-      std::unique_ptr<ActivationContext> activation_context) override;
-  void DisconnectType(ModelType type) override;
-};
-
-}  // namespace syncer
-
-#endif  // COMPONENTS_SYNC_CORE_TEST_FAKE_MODEL_TYPE_CONNECTOR_H_