Add the ability to use AllowAddressReuse for UDP sockets.

chrome/browser/extensions/api/socket/udp_socket.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 CHROME_BROWSER_EXTENSIONS_API_SOCKET_UDP_SOCKET_H_
 #define CHROME_BROWSER_EXTENSIONS_API_SOCKET_UDP_SOCKET_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 24 matching lines @@
   virtual bool GetPeerAddress(net::IPEndPoint* address) OVERRIDE;
   virtual bool GetLocalAddress(net::IPEndPoint* address) OVERRIDE;
   virtual Socket::SocketType GetSocketType() const OVERRIDE;
 
   int JoinGroup(const std::string& address);
   int LeaveGroup(const std::string& address);
 
   int SetMulticastTimeToLive(int ttl);
   int SetMulticastLoopbackMode(bool loopback);
 
+  int AllowAddressReuse();
+
   const std::vector<std::string>& GetJoinedGroups() const;
 
  protected:
   virtual int WriteImpl(net::IOBuffer* io_buffer,
                         int io_buffer_size,
                         const net::CompletionCallback& callback) OVERRIDE;
 
  private:
   // Make net::IPEndPoint can be refcounted
   typedef base::RefCountedData<net::IPEndPoint> IPEndPoint;
@@ skipping 12 matching lines @@
   RecvFromCompletionCallback recv_from_callback_;
 
   CompletionCallback send_to_callback_;
 
   std::vector<std::string> multicast_groups_;
 };
 
 }  //  namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_SOCKET_UDP_SOCKET_H_