Reland "Introduce optional 'bool shared' parameter to ServerSocket.bind() ..."

dart/sdk/lib/io/socket.dart

Index: dart/sdk/lib/io/socket.dart
diff --git a/dart/sdk/lib/io/socket.dart b/dart/sdk/lib/io/socket.dart
index 70c68a0ecf066dea8362755bcf7bc5236101da22..08f973e695c476a2a18b60fe195518f2140de251 100644
--- a/dart/sdk/lib/io/socket.dart
+++ b/dart/sdk/lib/io/socket.dart
@@ -227,7 +227,8 @@ abstract class RawServerSocket implements Stream<RawSocket> {
   external static Future<RawServerSocket> bind(address,
                                                int port,
                                                {int backlog: 0,
-                                                bool v6Only: false});
+                                                bool v6Only: false,
+                                                bool shared: false});
 
   /**
    * Returns the port used by this socket.
@@ -318,7 +319,8 @@ abstract class ServerSocket implements Stream<Socket> {
   external static Future<ServerSocket> bind(address,
                                             int port,
                                             {int backlog: 0,
-                                             bool v6Only: false});
+                                             bool v6Only: false,
+                                             bool shared: false});
 
   /**
    * Returns the port used by this socket.