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

tests/standalone/io/https_client_exception_test.dart

Index: tests/standalone/io/https_client_exception_test.dart
diff --git a/tests/standalone/io/https_client_exception_test.dart b/tests/standalone/io/https_client_exception_test.dart
index a49c51a463e5b9016353a3f0f446226a0523f070..8acac41b48f9068e2a0258d265a57de7177c8008 100644
--- a/tests/standalone/io/https_client_exception_test.dart
+++ b/tests/standalone/io/https_client_exception_test.dart
@@ -19,11 +19,6 @@ void testBadHostName() {
       });
 }
 
-void InitializeSSL() {
-  SecureSocket.initialize();
-}
-
 void main() {
   testBadHostName();
-  Expect.throws(InitializeSSL);
 }