http_server: accept full NetAddress in CreateHttpServer.

services/http_server/public/http_server_factory.mojom

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 module http_server;
 
+import "mojo/services/network/public/interfaces/net_address.mojom";
 import "services/http_server/public/http_server.mojom";
 
 interface HttpServerFactory {
   // Creates an http server running on the specified TCP port. If |port| is 0,
   // the operating system will pick one of available ports. You can use
   // HttpServer::GetPort() to retrieve the allocated port.
   //
   // Only one backing server will be created for each port. It will be shared
   // among clients, if more than one client requests a server running on a
   // particular port.
   //
   // TODO(ppi): would it be better to create a server only for the first caller
   // and require the access to it to be explicitly shared by the party that
   // requests it first?
-  CreateHttpServer(HttpServer& server_request, uint16 port);
+  CreateHttpServer(HttpServer& server_request, mojo.NetAddress? local_address);
 };