Fix AllocationSequence to handle the case when TurnPort stops using shared socket.

webrtc/p2p/base/turnport.h

 /*
  *  Copyright 2012 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 76 matching lines @@
   virtual Connection* CreateConnection(
       const Candidate& c, PortInterface::CandidateOrigin origin);
   virtual int SendTo(const void* data, size_t size,
                      const rtc::SocketAddress& addr,
                      const rtc::PacketOptions& options,
                      bool payload);
   virtual int SetOption(rtc::Socket::Option opt, int value);
   virtual int GetOption(rtc::Socket::Option opt, int* value);
   virtual int GetError();
 
-  virtual bool HandleIncomingPacket(
-      rtc::AsyncPacketSocket* socket, const char* data, size_t size,
-      const rtc::SocketAddress& remote_addr,
-      const rtc::PacketTime& packet_time) {
-    OnReadPacket(socket, data, size, remote_addr, packet_time);
-    return true;
-  }
+  virtual bool HandleIncomingPacket(rtc::AsyncPacketSocket* socket,
+                                    const char* data, size_t size,
+                                    const rtc::SocketAddress& remote_addr,
+                                    const rtc::PacketTime& packet_time);
   virtual void OnReadPacket(rtc::AsyncPacketSocket* socket,
                             const char* data, size_t size,
                             const rtc::SocketAddress& remote_addr,
                             const rtc::PacketTime& packet_time);
 
   virtual void OnSentPacket(rtc::AsyncPacketSocket* socket,
                             const rtc::SentPacket& sent_packet);
   virtual void OnReadyToSend(rtc::AsyncPacketSocket* socket);
   virtual bool SupportsProtocol(const std::string& protocol) const {
     // Turn port only connects to UDP candidates.
@@ skipping 168 matching lines @@
   friend class TurnEntry;
   friend class TurnAllocateRequest;
   friend class TurnRefreshRequest;
   friend class TurnCreatePermissionRequest;
   friend class TurnChannelBindRequest;
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_TURNPORT_H_