Add ability to reuse address in chrome.sockets.udp

extensions/browser/api/socket/udp_socket.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_API_SOCKET_UDP_SOCKET_H_
 #define EXTENSIONS_BROWSER_API_SOCKET_UDP_SOCKET_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 31 matching lines @@
   int JoinGroup(const std::string& address);
   int LeaveGroup(const std::string& address);
 
   int SetMulticastTimeToLive(int ttl);
   int SetMulticastLoopbackMode(bool loopback);
 
   int SetBroadcast(bool enabled);
 
   const std::vector<std::string>& GetJoinedGroups() const;
 
+  bool allow_address_reuse() const { return allow_address_reuse_; }
+  void set_allow_address_reuse(bool allow) { allow_address_reuse_ = allow; }
+
  protected:
   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;
 
   void OnReadComplete(scoped_refptr<net::IOBuffer> io_buffer, int result);
   void OnRecvFromComplete(scoped_refptr<net::IOBuffer> io_buffer,
                           scoped_refptr<IPEndPoint> address,
                           int result);
   void OnSendToComplete(int result);
 
   net::UDPSocket socket_;
 
   ReadCompletionCallback read_callback_;
 
   RecvFromCompletionCallback recv_from_callback_;
 
   CompletionCallback send_to_callback_;
 
   std::vector<std::string> multicast_groups_;
+
+  // Flag indicating whether the address can be bound by multiple sockets - see
+  // sockets_udp.idl
+  bool allow_address_reuse_;
 };
 
 // UDP Socket instances from the "sockets.udp" namespace. These are regular
 // socket objects with additional properties related to the behavior defined in
 // the "sockets.udp" namespace.
 class ResumableUDPSocket : public UDPSocket {
  public:
   explicit ResumableUDPSocket(const std::string& owner_extension_id);
 
   // Overriden from ApiResource
@@ skipping 23 matching lines @@
   // The size of the buffer used to receive data - see sockets_udp.idl.
   int buffer_size_;
   // Flag indicating whether a connected socket blocks its peer from sending
   // more data - see sockets_udp.idl.
   bool paused_;
 };
 
 }  //  namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_SOCKET_UDP_SOCKET_H_