Add new InternetAddress class with a static lookup function (including IPv6

tests/standalone/io/secure_server_socket_test.dart

Index: tests/standalone/io/secure_server_socket_test.dart
diff --git a/tests/standalone/io/secure_server_socket_test.dart b/tests/standalone/io/secure_server_socket_test.dart
index 11e0fe8c95e91430704c96d13d0f051c5052a7ee..bf1bc05a0bb15aba16820edba4fc820774b29a51 100644
--- a/tests/standalone/io/secure_server_socket_test.dart
+++ b/tests/standalone/io/secure_server_socket_test.dart
@@ -12,13 +12,12 @@ 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 testSimpleBind() {
   ReceivePort port = new ReceivePort();
-  SecureServerSocket.bind(SERVER_ADDRESS, 0, 5, CERTIFICATE).then((s) {
+  SecureServerSocket.bind(HOST_NAME, 0, 5, CERTIFICATE).then((s) {
     Expect.isTrue(s.port > 0);
     s.close();
     port.close();
@@ -50,8 +49,8 @@ void testInvalidBind() {
   // Either an error or a successful bind is allowed.
   // Windows platforms allow multiple binding to the same socket, with
   // unpredictable results.
-  SecureServerSocket.bind(SERVER_ADDRESS, 0, 5, CERTIFICATE).then((s) {
-    SecureServerSocket.bind(SERVER_ADDRESS,
+  SecureServerSocket.bind(HOST_NAME, 0, 5, CERTIFICATE).then((s) {
+    SecureServerSocket.bind(HOST_NAME,
                             s.port,
                             5,
                             CERTIFICATE).then((t) {
@@ -71,7 +70,7 @@ void testInvalidBind() {
 
 void testSimpleConnect(String certificate) {
   ReceivePort port = new ReceivePort();
-  SecureServerSocket.bind(SERVER_ADDRESS, 0, 5, certificate).then((server) {
+  SecureServerSocket.bind(HOST_NAME, 0, 5, certificate).then((server) {
     var clientEndFuture = SecureSocket.connect(HOST_NAME, server.port);
     server.listen((serverEnd) {
       clientEndFuture.then((clientEnd) {
@@ -86,7 +85,7 @@ void testSimpleConnect(String certificate) {
 
 void testSimpleConnectFail(String certificate) {
   ReceivePort port = new ReceivePort();
-  SecureServerSocket.bind(SERVER_ADDRESS, 0, 5, certificate).then((server) {
+  SecureServerSocket.bind(HOST_NAME, 0, 5, certificate).then((server) {
     var clientEndFuture = SecureSocket.connect(HOST_NAME, server.port)
       .then((clientEnd) {
         Expect.fail("No client connection expected.");
@@ -106,7 +105,7 @@ void testSimpleConnectFail(String certificate) {
 
 void testServerListenAfterConnect() {
   ReceivePort port = new ReceivePort();
-  SecureServerSocket.bind(SERVER_ADDRESS, 0, 5, CERTIFICATE).then((server) {
+  SecureServerSocket.bind(HOST_NAME, 0, 5, CERTIFICATE).then((server) {
     Expect.isTrue(server.port > 0);
     var clientEndFuture = SecureSocket.connect(HOST_NAME, server.port);
     new Timer(const Duration(milliseconds: 500), () {
@@ -147,7 +146,7 @@ void testSimpleReadWrite() {
     }
   }
 
-  SecureServerSocket.bind(SERVER_ADDRESS, 0, 5, CERTIFICATE).then((server) {
+  SecureServerSocket.bind(HOST_NAME, 0, 5, CERTIFICATE).then((server) {
     server.listen((client) {
       int bytesRead = 0;
       int bytesWritten = 0;