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

tests/standalone/io/secure_server_client_certificate_test.dart

Index: tests/standalone/io/secure_server_client_certificate_test.dart
diff --git a/tests/standalone/io/secure_server_client_certificate_test.dart b/tests/standalone/io/secure_server_client_certificate_test.dart
index 4edabef519ec53b51b877f1869acd0e9221a19c9..4d24783d991cd1c6a5a00fef904d02de8eb4b1c5 100644
--- a/tests/standalone/io/secure_server_client_certificate_test.dart
+++ b/tests/standalone/io/secure_server_client_certificate_test.dart
@@ -7,12 +7,13 @@ 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,
@@ -41,7 +42,7 @@ void testClientCertificate() {
 
 void testRequiredClientCertificate() {
   ReceivePort port = new ReceivePort();
-  SecureServerSocket.bind(HOST_NAME,
+  SecureServerSocket.bind(SERVER_ADDRESS,
                           0,
                           5,
                           CERTIFICATE,
@@ -70,7 +71,7 @@ void testRequiredClientCertificate() {
 
 void testNoClientCertificate() {
   ReceivePort port = new ReceivePort();
-  SecureServerSocket.bind(HOST_NAME,
+  SecureServerSocket.bind(SERVER_ADDRESS,
                           0,
                           5,
                           CERTIFICATE,
@@ -93,7 +94,7 @@ void testNoClientCertificate() {
 void testNoRequiredClientCertificate() {
   ReceivePort port = new ReceivePort();
   bool clientError = false;
-  SecureServerSocket.bind(HOST_NAME,
+  SecureServerSocket.bind(SERVER_ADDRESS,
                           0,
                           5,
                           CERTIFICATE,