Remove usage of legacy inet_ntop from dart:io.

runtime/bin/socket.h

 // Copyright (c) 2013, 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.
 
 #ifndef BIN_SOCKET_H_
 #define BIN_SOCKET_H_
 
 #include "bin/builtin.h"
 #include "bin/utils.h"
 #include "bin/dartutils.h"
@@ skipping 34 matching lines @@
 
   enum {
     ADDRESS_LOOPBACK_IP_V4,
     ADDRESS_LOOPBACK_IP_V6,
     ADDRESS_ANY_IP_V4,
     ADDRESS_ANY_IP_V6,
     ADDRESS_FIRST = ADDRESS_LOOPBACK_IP_V4,
     ADDRESS_LAST = ADDRESS_ANY_IP_V6,
   };
 
-  explicit SocketAddress(struct sockaddr* sockaddr);
+  explicit SocketAddress(struct sockaddr* sa);
 
   ~SocketAddress() {}
 
   int GetType() {
     if (addr_.ss.ss_family == AF_INET6) return TYPE_IPV6;
     return TYPE_IPV4;
   }
 
   const char* as_string() const { return as_string_; }
   const RawAddr& addr() const { return addr_; }
@@ skipping 28 matching lines @@
 
  private:
   char as_string_[INET6_ADDRSTRLEN];
   RawAddr addr_;
 
   DISALLOW_COPY_AND_ASSIGN(SocketAddress);
 };
 
 class InterfaceSocketAddress {
  public:
-  explicit InterfaceSocketAddress(struct sockaddr* sockaddr,
+  explicit InterfaceSocketAddress(struct sockaddr* sa,
                                   const char* interface_name)
-      : socket_address_(new SocketAddress(sockaddr)),
+      : socket_address_(new SocketAddress(sa)),
         interface_name_(interface_name) {}
 
   ~InterfaceSocketAddress() {
     delete socket_address_;
     free(const_cast<char*>(interface_name_));
   }
 
   SocketAddress* socket_address() const { return socket_address_; }
   const char* interface_name() const { return interface_name_; }
 
@@ skipping 107 matching lines @@
 
  private:
   DISALLOW_ALLOCATION();
   DISALLOW_IMPLICIT_CONSTRUCTORS(ServerSocket);
 };
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // BIN_SOCKET_H_