Allow server sockets to rebind to same port if there is nothing actively listening on that port.

net/socket/tcp_server_socket_win.h

Index: net/socket/tcp_server_socket_win.h
diff --git a/net/socket/tcp_server_socket_win.h b/net/socket/tcp_server_socket_win.h
index a7ab78cd4e9dc51c7dc399675722d2189f31a6fe..5c47cf4f31c1b6796ac647c07748890573288ef3 100644
--- a/net/socket/tcp_server_socket_win.h
+++ b/net/socket/tcp_server_socket_win.h
@@ -37,9 +37,15 @@ class NET_EXPORT_PRIVATE TCPServerSocketWin
   // base::ObjectWatcher::Delegate implementation.
   virtual void OnObjectSignaled(HANDLE object);
 
+  // Sets corresponding flags to allow the socket to share the local address to
+  // which the socket will be bound with other processes. Should be called
+  // before Bind().
+  void AllowAddressReuse();

[Sergey Ulanov, 2012/09/12 21:52:35]

Move this above base::ObjectWatcher::Delegate

[justinlin, 2012/09/13 07:12:56]

Done.

+
  private:
   int AcceptInternal(scoped_ptr<StreamSocket>* socket);
   void Close();
+  int SetSocketOptions();
 
   SOCKET socket_;
   HANDLE socket_event_;
@@ -49,6 +55,8 @@ class NET_EXPORT_PRIVATE TCPServerSocketWin
   scoped_ptr<StreamSocket>* accept_socket_;
   CompletionCallback accept_callback_;
 
+  bool reuse_addr_;
+
   BoundNetLog net_log_;
 };