MapConnectError   653 net/socket/tcp_socket_libevent.cc     return MapConnectError(connect_os_error_);
MapConnectError   787 net/socket/tcp_socket_libevent.cc   int result = MapConnectError(os_error);
MapConnectError   794 net/socket/tcp_socket_win.cc       int rv = MapConnectError(os_error);
MapConnectError   904 net/socket/tcp_socket_win.cc     result = MapConnectError(os_error);