DestroyDeviceTaskHelper  179 chrome/browser/media_galleries/linux/mtp_device_delegate_impl_linux.cc   MTPDeviceTaskHelperMapService::GetInstance()->DestroyDeviceTaskHelper(
DestroyDeviceTaskHelper   28 chrome/browser/media_galleries/linux/mtp_device_task_helper_map_service.h   void DestroyDeviceTaskHelper(const std::string& storage_name);