Merge "GD-Storage: Move constructor to protected"

  static const std::string kAdapterSection;

  // Create the storage module where:

  // - config_file_path is the path to the config file on disk, a .bak file will be created with the original

  // - config_save_delay is the duration after which to dump config to disk after SaveDelayed() is called

  // - temp_devices_capacity is the number of temporary, typically unpaired devices to hold in a memory based LRU

  // - is_restricted_mode and is_single_user_mode are flags from upper layer

  StorageModule(

      std::string config_file_path,

      std::chrono::milliseconds config_save_delay,

      size_t temp_devices_capacity,

      bool is_restricted_mode,

      bool is_single_user_mode);

  ~StorageModule() override;

  static const ModuleFactory Factory;

  // immediately on the calling thread

  void SaveImmediately();

  // Create the storage module where:

  // - config_file_path is the path to the config file on disk, a .bak file will be created with the original

  // - config_save_delay is the duration after which to dump config to disk after SaveDelayed() is called

  // - temp_devices_capacity is the number of temporary, typically unpaired devices to hold in a memory based LRU

  // - is_restricted_mode and is_single_user_mode are flags from upper layer

  StorageModule(

      std::string config_file_path,

      std::chrono::milliseconds config_save_delay,

      size_t temp_devices_capacity,

      bool is_restricted_mode,

      bool is_single_user_mode);

 private:

  struct impl;

  mutable std::recursive_mutex mutex_;