Rename remoteHost to remoteAddress on *Socket.

tests/standalone/io/http_connection_info_test.dart

 // 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.
 
 import "package:expect/expect.dart";
 import "dart:io";
 
 void testHttpConnectionInfo() {
   HttpServer.bind("0.0.0.0", 0).then((server) {
     int clientPort;
 
     server.listen((request) {
       var response = request.response;
-      Expect.isTrue(request.connectionInfo.remoteHost is String);
-      Expect.isTrue(response.connectionInfo.remoteHost is String);
+      Expect.isTrue(request.connectionInfo.remoteAddress is InternetAddress);
+      Expect.isTrue(response.connectionInfo.remoteAddress is InternetAddress);
       Expect.equals(request.connectionInfo.localPort, server.port);
       Expect.equals(response.connectionInfo.localPort, server.port);
       Expect.isNotNull(clientPort);
       Expect.equals(request.connectionInfo.remotePort, clientPort);
       Expect.equals(response.connectionInfo.remotePort, clientPort);
       request.listen(
           (_) { },
           onDone: ()  { request.response.close(); });
     });
 
     HttpClient client = new HttpClient();
     client.get("127.0.0.1", server.port, "/")
         .then((request) {
-          Expect.isTrue(request.connectionInfo.remoteHost is String);
+          Expect.isTrue(
+              request.connectionInfo.remoteAddress is InternetAddress);
           Expect.equals(request.connectionInfo.remotePort, server.port);
           clientPort = request.connectionInfo.localPort;
           return request.close();
         })
         .then((response) {
             Expect.equals(server.port, response.connectionInfo.remotePort);
             Expect.equals(clientPort, response.connectionInfo.localPort);
             response.listen(
                 (_) { },
                 onDone: () {
                   client.close();
                   server.close();
                 });
         });
     });
 }
 
 void main() {
   testHttpConnectionInfo();
 }