Refactor syncable DEVICE_INFO type from ChangeProcessor to SyncableService - part 3.

chrome/browser/sync/glue/device_info_sync_service.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 CHROME_BROWSER_SYNC_GLUE_DEVICE_INFO_SYNC_SERVICE_H_
 #define CHROME_BROWSER_SYNC_GLUE_DEVICE_INFO_SYNC_SERVICE_H_
 
 #include "base/observer_list.h"
 #include "chrome/browser/sync/glue/device_info_tracker.h"
 #include "sync/api/sync_change_processor.h"
@@ skipping 26 matching lines @@
       const tracked_objects::Location& from_here,
       const syncer::SyncChangeList& change_list) OVERRIDE;
 
   // DeviceInfoTracker implementation.
   virtual scoped_ptr<DeviceInfo> GetDeviceInfo(
       const std::string& client_id) const OVERRIDE;
   virtual ScopedVector<DeviceInfo> GetAllDeviceInfo() const OVERRIDE;
   virtual void AddObserver(Observer* observer) OVERRIDE;
   virtual void RemoveObserver(Observer* observer) OVERRIDE;
 
+  // Called to update local device backup time.
+  void UpdateLocalDeviceBackupTime(base::Time backup_time);
+  // Gets the most recently set local device backup time.
+  base::Time GetLocalDeviceBackupTime() const;
+
  private:
-  // Create SyncData from local DeviceInfo.
-  static syncer::SyncData CreateLocalData(const DeviceInfo* info);
+  // Create SyncData from local DeviceInfo and |local_device_backup_time_|.
+  syncer::SyncData CreateLocalData(const DeviceInfo* info);
+  // Create SyncData from EntitySpecifics.
+  static syncer::SyncData CreateLocalData(
+      const sync_pb::EntitySpecifics& entity);
+
   // Allocate new DeviceInfo from SyncData.
   static DeviceInfo* CreateDeviceInfo(const syncer::SyncData sync_data);
   // Store SyncData in the cache.
   void StoreSyncData(const std::string& client_id,
                      const syncer::SyncData& sync_data);
   // Delete SyncData from the cache.
   void DeleteSyncData(const std::string& client_id);
   // Notify all registered observers.
   void NotifyObservers();
 
+  // Updates backup time in place in |sync_data| if it is different than
+  // the one stored in |local_device_backup_time_|.
+  // Returns true if backup time was updated.
+  bool UpdateBackupTime(syncer::SyncData* sync_data);
+
+  // |local_device_backup_time_| accessors.
+  int64 local_device_backup_time() const { return local_device_backup_time_; }
+  bool has_local_device_backup_time() const {
+    return local_device_backup_time_ >= 0;
+  }
+  void set_local_device_backup_time(int64 value) {
+    local_device_backup_time_ = value;
+  }
+  void clear_local_device_backup_time() { local_device_backup_time_ = -1; }
+
+  // Local device last set backup time (in proto format).
+  // -1 if the value hasn't been specified
+  int64 local_device_backup_time_;
+
   // |local_device_info_provider_| isn't owned.
   const LocalDeviceInfoProvider* const local_device_info_provider_;
 
   // Receives ownership of |sync_processor_| and |error_handler_| in
   // MergeDataAndStartSyncing() and destroy them in StopSyncing().
   scoped_ptr<syncer::SyncChangeProcessor> sync_processor_;
   scoped_ptr<syncer::SyncErrorFactory> error_handler_;
 
   // Cache of all syncable and local data.
   typedef std::map<std::string, syncer::SyncData> SyncDataMap;
   SyncDataMap all_data_;
 
   // Registered observers, not owned.
   ObserverList<Observer, true> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(DeviceInfoSyncService);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_GLUE_DEVICE_INFO_SYNC_SERVICE_H_