message: Delete compatibility defines for unused error codes
  Cr-Commit-Position: refs/heads/master@{#30162}
diff: #define EINPROGRESS WSAEINPROGRESS
  #undef EALREADY
  #define EALREADY WSAEALREADY
  -#undef ENOTSOCK
  -#define ENOTSOCK WSAENOTSOCK
  -#undef EDESTADDRREQ
  -#define EDESTADDRREQ WSAEDESTADDRREQ
  #undef EMSGSIZE
  #define EMSGSIZE WSAEMSGSIZE
  -#undef EPROTOTYPE
  -#define EPROTOTYPE WSAEPROTOTYPE
  -#undef ENOPROTOOPT
  -#define ENOPROTOOPT WSAENOPROTOOPT
  -#undef EPROTONOSUPPORT
  -#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
  -#undef ESOCKTNOSUPPORT
  -#define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
  -#undef EOPNOTSUPP
  -#define EOPNOTSUPP WSAEOPNOTSUPP
  -#undef EPFNOSUPPORT
  -#define EPFNOSUPPORT WSAEPFNOSUPPORT
  -#undef EAFNOSUPPORT
  -#define EAFNOSUPPORT WSAEAFNOSUPPORT
  #undef EADDRINUSE
  #define EADDRINUSE WSAEADDRINUSE
  #undef EADDRNOTAVAIL
  #define EADDRNOTAVAIL WSAEADDRNOTAVAIL
  #undef ENETDOWN
  #define ENETDOWN WSAENETDOWN
  -#undef ENETUNREACH
  -#define ENETUNREACH WSAENETUNREACH
  -#undef ENETRESET
  -#define ENETRESET WSAENETRESET
  #undef ECONNABORTED
  #define ECONNABORTED WSAECONNABORTED
  -#undef ECONNRESET
  -#define ECONNRESET WSAECONNRESET
  #undef ENOBUFS
  #define ENOBUFS WSAENOBUFS
  #undef EISCONN
  #define EISCONN WSAEISCONN
  #undef ENOTCONN
  #define ENOTCONN WSAENOTCONN
  -#undef ESHUTDOWN
  -#define ESHUTDOWN WSAESHUTDOWN
  -#undef ETOOMANYREFS
  -#define ETOOMANYREFS WSAETOOMANYREFS
  -#undef ETIMEDOUT
  -#define ETIMEDOUT WSAETIMEDOUT
  #undef ECONNREFUSED
  #define ECONNREFUSED WSAECONNREFUSED
  -#undef ELOOP
  -#define ELOOP WSAELOOP
  -#undef ENAMETOOLONG
  -#define ENAMETOOLONG WSAENAMETOOLONG
  -#undef EHOSTDOWN
  -#define EHOSTDOWN WSAEHOSTDOWN
  #undef EHOSTUNREACH
  #define EHOSTUNREACH WSAEHOSTUNREACH
  -#undef ENOTEMPTY
  -#define ENOTEMPTY WSAENOTEMPTY
  -#undef EPROCLIM
  -#define EPROCLIM WSAEPROCLIM
  -#undef EUSERS
  -#define EUSERS WSAEUSERS
  -#undef EDQUOT
  -#define EDQUOT WSAEDQUOT
  -#undef ESTALE
  -#define ESTALE WSAESTALE
  -#undef EREMOTE
  -#define EREMOTE WSAEREMOTE
  #define SOCKET_EACCES WSAEACCES
  #endif // WEBRTC_WIN
  