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

components/sync_driver/sync_client.h

-// 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.
-
-#ifndef COMPONENTS_SYNC_DRIVER_SYNC_CLIENT_H_
-#define COMPONENTS_SYNC_DRIVER_SYNC_CLIENT_H_
-
-#include "base/callback_forward.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "components/sync/base/extensions_activity.h"
-#include "components/sync/base/model_type.h"
-#include "components/sync/core/shared_model_type_processor.h"
-#include "components/sync/engine/model_safe_worker.h"
-#include "components/sync_driver/sync_api_component_factory.h"
-
-class BookmarkUndoService;
-class PrefService;
-
-namespace autofill {
-class AutocompleteSyncableService;
-class PersonalDataManager;
-}  // namespace autofill
-
-namespace bookmarks {
-class BookmarkModel;
-}  // namespace bookmarks
-
-namespace favicon {
-class FaviconService;
-}  // namespace favicon
-
-namespace history {
-class HistoryService;
-}  // namespace history
-
-namespace invalidation {
-class InvalidationService;
-}  // namespace invalidation
-
-namespace syncer {
-class SyncableService;
-}  // namespace syncer
-
-namespace sync_sessions {
-class SyncSessionsClient;
-}  // namespace sync_sessions
-
-namespace sync_driver {
-
-class SyncService;
-
-// Interface for clients of the Sync API to plumb through necessary dependent
-// components. This interface is purely for abstracting dependencies, and
-// should not contain any non-trivial functional logic.
-//
-// Note: on some platforms, getters might return nullptr. Callers are expected
-// to handle these scenarios gracefully.
-class SyncClient {
- public:
-  SyncClient();
-  virtual ~SyncClient();
-
-  // Initializes the sync client with the specified sync service.
-  virtual void Initialize() = 0;
-
-  // Returns the current SyncService instance.
-  virtual SyncService* GetSyncService() = 0;
-
-  // Returns the current profile's preference service.
-  virtual PrefService* GetPrefService() = 0;
-
-  // DataType specific service getters.
-  virtual bookmarks::BookmarkModel* GetBookmarkModel() = 0;
-  virtual favicon::FaviconService* GetFaviconService() = 0;
-  virtual history::HistoryService* GetHistoryService() = 0;
-
-  // Returns a callback that will register the types specific to the current
-  // platform.
-  virtual sync_driver::SyncApiComponentFactory::RegisterDataTypesMethod
-  GetRegisterPlatformTypesCallback() = 0;
-
-  // Returns a callback that will be invoked when password sync state has
-  // potentially been changed.
-  virtual base::Closure GetPasswordStateChangedCallback() = 0;
-
-  virtual autofill::PersonalDataManager* GetPersonalDataManager() = 0;
-  virtual BookmarkUndoService* GetBookmarkUndoServiceIfExists() = 0;
-  virtual invalidation::InvalidationService* GetInvalidationService() = 0;
-  virtual scoped_refptr<syncer::ExtensionsActivity> GetExtensionsActivity() = 0;
-  virtual sync_sessions::SyncSessionsClient* GetSyncSessionsClient() = 0;
-
-  // Returns a weak pointer to the syncable service specified by |type|.
-  // Weak pointer may be unset if service is already destroyed.
-  // Note: Should only be called from the model type thread.
-  virtual base::WeakPtr<syncer::SyncableService> GetSyncableServiceForType(
-      syncer::ModelType type) = 0;
-
-  // Returns a non-owning pointer to the service specified by |type|. Service
-  // lifetime is independent from sync thread therefore pointer should not be
-  // retained across tasks.
-  // Note: Should only be called from the model type thread.
-  // Note: should only be called by USS.
-  virtual syncer_v2::ModelTypeService* GetModelTypeServiceForType(
-      syncer::ModelType type) = 0;
-
-  // Creates and returns a new ModelSafeWorker for the group, or null if one
-  // cannot be created.
-  // TODO(maxbogue): Move this inside SyncApiComponentFactory.
-  virtual scoped_refptr<syncer::ModelSafeWorker> CreateModelWorkerForGroup(
-      syncer::ModelSafeGroup group,
-      syncer::WorkerLoopDestructionObserver* observer) = 0;
-
-  // Returns the current SyncApiComponentFactory instance.
-  virtual SyncApiComponentFactory* GetSyncApiComponentFactory() = 0;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(SyncClient);
-};
-
-}  // namespace sync_driver
-
-#endif  // COMPONENTS_SYNC_DRIVER_SYNC_CLIENT_H_