NotifyTaskBackgrounded  222 chrome/browser/sync_file_system/drive_backend/sync_task_manager.cc   NotifyTaskBackgrounded(token.Pass(), *background_task_token);
NotifyTaskBackgrounded  118 chrome/browser/sync_file_system/drive_backend/sync_task_manager.h   void NotifyTaskBackgrounded(scoped_ptr<SyncTaskToken> foreground_task_token,