[Sync] Move //sync to //components/sync.

sync/api/model_type_service.cc

-// Copyright 2015 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 "sync/api/model_type_service.h"
-
-#include "sync/api/model_type_change_processor.h"
-#include "sync/internal_api/public/data_type_error_handler.h"
-
-namespace syncer_v2 {
-
-ModelTypeService::ModelTypeService(
-    const ChangeProcessorFactory& change_processor_factory,
-    syncer::ModelType type)
-    : change_processor_factory_(change_processor_factory), type_(type) {}
-
-ModelTypeService::~ModelTypeService() {}
-
-ConflictResolution ModelTypeService::ResolveConflict(
-    const EntityData& local_data,
-    const EntityData& remote_data) const {
-  // TODO(maxbogue): Add tests once a file exists for them (crbug.com/543407).
-  if (remote_data.is_deleted()) {
-    DCHECK(!local_data.is_deleted());
-    return ConflictResolution::UseLocal();
-  }
-  return ConflictResolution::UseRemote();
-}
-
-void ModelTypeService::OnSyncStarting(
-    syncer::DataTypeErrorHandler* error_handler,
-    const ModelTypeChangeProcessor::StartCallback& start_callback) {
-  CreateChangeProcessor();
-  change_processor_->OnSyncStarting(error_handler, start_callback);
-}
-
-void ModelTypeService::DisableSync() {
-  DCHECK(change_processor_);
-  change_processor_->DisableSync();
-  change_processor_.reset();
-}
-
-void ModelTypeService::CreateChangeProcessor() {
-  if (!change_processor_) {
-    change_processor_ = change_processor_factory_.Run(type_, this);
-    DCHECK(change_processor_);
-    OnChangeProcessorSet();
-  }
-}
-
-ModelTypeChangeProcessor* ModelTypeService::change_processor() const {
-  return change_processor_.get();
-}
-
-void ModelTypeService::clear_change_processor() {
-  change_processor_.reset();
-}
-
-}  // namespace syncer_v2