base::Bind: Convert StreamSocket::Connect.

net/socket/socks5_client_socket.h

Index: net/socket/socks5_client_socket.h
diff --git a/net/socket/socks5_client_socket.h b/net/socket/socks5_client_socket.h
index aeb18647a339fec40191df91015acd11835a55be..748b55a2c415a50c788146df9d458af33f5fbcbb 100644
--- a/net/socket/socks5_client_socket.h
+++ b/net/socket/socks5_client_socket.h
@@ -52,6 +52,7 @@ class NET_EXPORT_PRIVATE SOCKS5ClientSocket : public StreamSocket {
 
   // Does the SOCKS handshake and completes the protocol.
   virtual int Connect(OldCompletionCallback* callback) OVERRIDE;
+  virtual int Connect(const CompletionCallback& callback) OVERRIDE;
   virtual void Disconnect() OVERRIDE;
   virtual bool IsConnected() const OVERRIDE;
   virtual bool IsConnectedAndIdle() const OVERRIDE;
@@ -129,7 +130,8 @@ class NET_EXPORT_PRIVATE SOCKS5ClientSocket : public StreamSocket {
   State next_state_;
 
   // Stores the callback to the layer above, called on completing Connect().
-  OldCompletionCallback* user_callback_;
+  OldCompletionCallback* old_user_callback_;
+  CompletionCallback user_callback_;
 
   // This IOBuffer is used by the class to read and write
   // SOCKS handshake data. The length contains the expected size to