Change the signature for all network bind calls.

runtime/bin/socket_patch.dart

Index: runtime/bin/socket_patch.dart
diff --git a/runtime/bin/socket_patch.dart b/runtime/bin/socket_patch.dart
index 1515403a76c5972eb6a0c07e7f6b3fcc943739a9..51d67616837c26b0b5621d98fa67e42b2cbe77f9 100644
--- a/runtime/bin/socket_patch.dart
+++ b/runtime/bin/socket_patch.dart
@@ -3,9 +3,9 @@
 // BSD-style license that can be found in the LICENSE file.
 
 patch class RawServerSocket  {
-  /* patch */ static Future<RawServerSocket> bind([address = "127.0.0.1",
-                                                   int port = 0,
-                                                   int backlog = 0]) {
+  /* patch */ static Future<RawServerSocket> bind(address,
+                                                  int port,
+                                                  {int backlog: 0}) {
     return _RawServerSocket.bind(address, port, backlog);
   }
 }
@@ -737,9 +737,9 @@ class _RawSocket extends Stream<RawSocketEvent>
 
 
 patch class ServerSocket {
-  /* patch */ static Future<ServerSocket> bind([address = "127.0.0.1",
-                                                int port = 0,
-                                                int backlog = 0]) {
+  /* patch */ static Future<ServerSocket> bind(address,
+                                               int port,
+                                               {int backlog: 0}) {
     return _ServerSocket.bind(address, port, backlog);
   }
 }