Add the index information to network interface

runtime/bin/socket_win.cc

 // 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.
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_WINDOWS)
 
 #include "bin/builtin.h"
 #include "bin/eventhandler.h"
 #include "bin/file.h"
@@ skipping 311 matching lines @@
     }
   }
   AddressList<InterfaceSocketAddress>* addresses =
       new AddressList<InterfaceSocketAddress>(count);
   intptr_t i = 0;
   for (IP_ADAPTER_ADDRESSES* a = addrs; a != NULL; a = a->Next) {
     for (IP_ADAPTER_UNICAST_ADDRESS* u = a->FirstUnicastAddress;
          u != NULL; u = u->Next) {
       addresses->SetAt(i, new InterfaceSocketAddress(
           u->Address.lpSockaddr,
-          StringUtils::WideToUtf8(a->FriendlyName)));
+          StringUtils::WideToUtf8(a->FriendlyName),
+          a->Ipv6IfIndex));
       i++;
     }
   }
   free(addrs);
   return addresses;
 }
 
 
 intptr_t ServerSocket::CreateBindListen(RawAddr addr,
                                         intptr_t port,
@@ skipping 100 matching lines @@
                     IPPROTO_TCP,
                     TCP_NODELAY,
                     reinterpret_cast<char *>(&on),
                     sizeof(on)) == 0;
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_WINDOWS)