chromium/components/sync/model/data_type_controller_delegate.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_SYNC_MODEL_DATA_TYPE_CONTROLLER_DELEGATE_H_
#define COMPONENTS_SYNC_MODEL_DATA_TYPE_CONTROLLER_DELEGATE_H_

#include <memory>

#include "base/functional/callback.h"
#include "base/values.h"
#include "components/sync/base/data_type.h"
#include "components/sync/base/sync_stop_metadata_fate.h"
#include "components/sync/model/model_error.h"

namespace syncer {

struct DataTypeActivationRequest;
struct DataTypeActivationResponse;
struct TypeEntitiesCount;

// The DataTypeControllerDelegate handles communication of DataTypeController
// with the data type.
// Actual implementations live on the model sequence, but there is often a
// "proxy" implementation on the UI thread for use by the DataTypeController
// (which lives on the UI thread).
class DataTypeControllerDelegate {};

}  // namespace syncer

#endif  // COMPONENTS_SYNC_MODEL_DATA_TYPE_CONTROLLER_DELEGATE_H_