Properly handle STUN requests and responses from relay servers.

content/browser/renderer_host/p2p/socket_host.h

 // Copyright (c) 2011 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_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_H_
 
 #include "content/common/p2p_sockets.h"
 
 #include "ipc/ipc_message.h"
@@ skipping 44 matching lines @@
     STATE_OPEN,
     STATE_ERROR,
   };
 
   P2PSocketHost(IPC::Message::Sender* message_sender, int routing_id, int id);
 
   // Verifies that the packet |data| has a valid STUN header. In case
   // of success stores type of the message in |type|.
   static bool GetStunPacketType(const char* data, int data_size,
                                 StunMessageType* type);
+  static bool IsRequestOrResponse(StunMessageType type);
 
   IPC::Message::Sender* message_sender_;
   int routing_id_;
   int id_;
   State state_;
 
   DISALLOW_COPY_AND_ASSIGN(P2PSocketHost);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_H_