LOG_ERRNO_STREAM  448 base/logging.h   LAZY_STREAM(LOG_ERRNO_STREAM(severity), LOG_IS_ON(severity))
LOG_ERRNO_STREAM  451 base/logging.h #define PLOG_STREAM(severity) LOG_ERRNO_STREAM(severity)
LOG_ERRNO_STREAM  633 base/logging.h   LAZY_STREAM(LOG_ERRNO_STREAM(severity), DLOG_IS_ON(severity))