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

components/sync/core/model_type_processor_proxy.h

-// 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.
-
-#ifndef COMPONENTS_SYNC_CORE_MODEL_TYPE_PROCESSOR_PROXY_H_
-#define COMPONENTS_SYNC_CORE_MODEL_TYPE_PROCESSOR_PROXY_H_
-
-#include <memory>
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "base/sequenced_task_runner.h"
-#include "components/sync/core/model_type_processor.h"
-
-namespace syncer {
-
-class ModelTypeProcessorProxy : public ModelTypeProcessor {
- public:
-  ModelTypeProcessorProxy(
-      const base::WeakPtr<ModelTypeProcessor>& processor,
-      const scoped_refptr<base::SequencedTaskRunner>& task_runner);
-  ~ModelTypeProcessorProxy() override;
-
-  void ConnectSync(std::unique_ptr<CommitQueue> worker) override;
-  void DisconnectSync() override;
-  void OnCommitCompleted(const sync_pb::ModelTypeState& type_state,
-                         const CommitResponseDataList& response_list) override;
-  void OnUpdateReceived(const sync_pb::ModelTypeState& type_state,
-                        const UpdateResponseDataList& updates) override;
-
- private:
-  base::WeakPtr<ModelTypeProcessor> processor_;
-  scoped_refptr<base::SequencedTaskRunner> task_runner_;
-};
-
-}  // namespace syncer
-
-#endif  // COMPONENTS_SYNC_CORE_MODEL_TYPE_PROCESSOR_PROXY_H_