GetMtpDeviceId 50 components/storage_monitor/media_transfer_protocol_device_observer_linux_unittest.cc *id = GetMtpDeviceId(kStorageUniqueId); GetMtpDeviceId 131 components/storage_monitor/media_transfer_protocol_device_observer_linux_unittest.cc std::string device_id = GetMtpDeviceId(kStorageUniqueId);