Fix win32 Socket test errors

runtime/bin/socket_macos.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-#include <arpa/inet.h>
 #include <errno.h>
-#include <netdb.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <sys/socket.h>
 #include <unistd.h>
 
 #include "bin/fdutils.h"
 #include "bin/socket.h"
 
 
 bool Socket::Initialize() {
   // Nothing to do on Mac OS.
   return true;
 }
@@ skipping 74 matching lines @@
                       reinterpret_cast<struct sockaddr *>(&socket_address),
                       &size))) {
     fprintf(stderr, "Error getsockname: %s\n", strerror(errno));
     return 0;
   }
   return ntohs(socket_address.sin_port);
 }
 
 
 bool Socket::GetRemotePeer(intptr_t fd, char *host, intptr_t *port) {
-  ASSERT(DART_INET_ADDRSTRLEN >= INET_ADDRSTRLEN);
   ASSERT(fd >= 0);
   struct sockaddr_in socket_address;
   socklen_t size = sizeof(socket_address);
   if (TEMP_FAILURE_RETRY(
           getpeername(fd,
                       reinterpret_cast<struct sockaddr *>(&socket_address),
                       &size))) {
     fprintf(stderr, "Error getpeername: %s\n", strerror(errno));
     return false;
   }
@@ skipping 108 matching lines @@
       // error. We got woken up from the poll on the listening socket,
       // but there is no connection ready to be accepted.
       ASSERT(kTemporaryFailure != -1);
       socket = kTemporaryFailure;
     }
   } else {
     FDUtils::SetNonBlocking(socket);
   }
   return socket;
 }