Revert "Add new InternetAddress class with a static lookup function (including IPv6 results)."

tests/standalone/io/secure_server_client_certificate_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:async";
 import "dart:io";
 import "dart:isolate";
 
+const SERVER_ADDRESS = "127.0.0.1";
 const HOST_NAME = "localhost";
 const CERTIFICATE = "localhost_cert";
 
 void testClientCertificate() {
   ReceivePort port = new ReceivePort();
-  SecureServerSocket.bind(HOST_NAME,
+  SecureServerSocket.bind(SERVER_ADDRESS,
                           0,
                           5,
                           CERTIFICATE,
                           requestClientCertificate: true).then((server) {
     var clientEndFuture = SecureSocket.connect(HOST_NAME,
                                                server.port,
                                                sendClientCertificate: true);
     server.listen((serverEnd) {
       X509Certificate certificate = serverEnd.peerCertificate;
       Expect.isNotNull(certificate);
       Expect.equals("CN=localhost", certificate.subject);
       Expect.equals("CN=myauthority", certificate.issuer);
       clientEndFuture.then((clientEnd) {
         X509Certificate certificate = clientEnd.peerCertificate;
         Expect.isNotNull(certificate);
         Expect.equals("CN=localhost", certificate.subject);
         Expect.equals("CN=myauthority", certificate.issuer);
         clientEnd.close();
         serverEnd.close();
         server.close();
         port.close();
       });
     });
   });
 }
 
 void testRequiredClientCertificate() {
   ReceivePort port = new ReceivePort();
-  SecureServerSocket.bind(HOST_NAME,
+  SecureServerSocket.bind(SERVER_ADDRESS,
                           0,
                           5,
                           CERTIFICATE,
                           requireClientCertificate: true).then((server) {
     var clientEndFuture = SecureSocket.connect(HOST_NAME,
                                                server.port,
                                                sendClientCertificate: true);
     server.listen((serverEnd) {
       X509Certificate certificate = serverEnd.peerCertificate;
       Expect.isNotNull(certificate);
       Expect.equals("CN=localhost", certificate.subject);
       Expect.equals("CN=myauthority", certificate.issuer);
       clientEndFuture.then((clientEnd) {
         X509Certificate certificate = clientEnd.peerCertificate;
         Expect.isNotNull(certificate);
         Expect.equals("CN=localhost", certificate.subject);
         Expect.equals("CN=myauthority", certificate.issuer);
         clientEnd.close();
         serverEnd.close();
         server.close();
         port.close();
       });
     });
   });
 }
 
 void testNoClientCertificate() {
   ReceivePort port = new ReceivePort();
-  SecureServerSocket.bind(HOST_NAME,
+  SecureServerSocket.bind(SERVER_ADDRESS,
                           0,
                           5,
                           CERTIFICATE,
                           requestClientCertificate: true).then((server) {
     var clientEndFuture = SecureSocket.connect(HOST_NAME,
                                                server.port);
     server.listen((serverEnd) {
       X509Certificate certificate = serverEnd.peerCertificate;
       Expect.isNull(certificate);
       clientEndFuture.then((clientEnd) {
         clientEnd.close();
         serverEnd.close();
         server.close();
         port.close();
       });
     });
   });
 }
 
 void testNoRequiredClientCertificate() {
   ReceivePort port = new ReceivePort();
   bool clientError = false;
-  SecureServerSocket.bind(HOST_NAME,
+  SecureServerSocket.bind(SERVER_ADDRESS,
                           0,
                           5,
                           CERTIFICATE,
                           requireClientCertificate: true).then((server) {
     Future clientDone = SecureSocket.connect(HOST_NAME, server.port)
       .catchError((e) { clientError = true; });
     server.listen((serverEnd) {
       Expect.fail("Got a unverifiable connection");
     },
     onError: (e) {
@@ skipping 11 matching lines @@
   Path certificateDatabase = scriptDir.append('pkcert');
   SecureSocket.initialize(database: certificateDatabase.toNativePath(),
                           password: 'dartdart',
                           useBuiltinRoots: false);
 
   testClientCertificate();
   testRequiredClientCertificate();
   testNoClientCertificate();
   testNoRequiredClientCertificate();
 }