Multicast socket API

content/public/common/socket_permission_request.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_PUBLIC_COMMON_SOCKET_PERMISSION_REQUEST_H_
 #define CONTENT_PUBLIC_COMMON_SOCKET_PERMISSION_REQUEST_H_
 
 #include <string>
 
 namespace content {
 
 // This module provides helper types for checking socket permission.
 
 struct SocketPermissionRequest {
   enum OperationType {
     NONE = 0,
     TCP_CONNECT,
     TCP_LISTEN,
     UDP_BIND,
     UDP_SEND_TO,
+    UDP_MULTICAST_MEMBERSHIP
   };
 
   SocketPermissionRequest(OperationType type,
                           const std::string& host,
                           int port)
     : type(type),
       host(host),
       port(port) {
   }
 
   OperationType type;
   std::string host;
   int port;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_SOCKET_PERMISSION_REQUEST_H_