Add a new GetNegotiatedProtocol method to StreamSocket and implement in all subclasses.

net/curvecp/curvecp_client_socket.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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 NET_CURVECP_CURVECP_CLIENT_SOCKET_H_
 #define NET_CURVECP_CURVECP_CLIENT_SOCKET_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "net/base/completion_callback.h"
 #include "net/curvecp/client_packetizer.h"
@@ skipping 20 matching lines @@
   virtual bool IsConnectedAndIdle() const OVERRIDE;
   virtual int GetPeerAddress(AddressList* address) const OVERRIDE;
   virtual int GetLocalAddress(IPEndPoint* address) const OVERRIDE;
   virtual const BoundNetLog& NetLog() const OVERRIDE;
   virtual void SetSubresourceSpeculation() OVERRIDE;
   virtual void SetOmniboxSpeculation() OVERRIDE;
   virtual bool WasEverUsed() const OVERRIDE;
   virtual bool UsingTCPFastOpen() const OVERRIDE;
   virtual int64 NumBytesRead() const OVERRIDE;
   virtual base::TimeDelta GetConnectTimeMicros() const OVERRIDE;
+  virtual net::NextProto GetNegotiatedProtocol() const OVERRIDE;
 
   // Socket methods:
   virtual int Read(IOBuffer* buf,
                    int buf_len,
                    const CompletionCallback& callback) OVERRIDE;
   virtual int Write(IOBuffer* buf,
                     int buf_len,
                     const CompletionCallback& callback) OVERRIDE;
   virtual bool SetReceiveBufferSize(int32 size) OVERRIDE;
   virtual bool SetSendBufferSize(int32 size) OVERRIDE;
 
  private:
   AddressList addresses_;
   BoundNetLog net_log_;
   Messenger messenger_;
   ClientPacketizer packetizer_;
 
   DISALLOW_COPY_AND_ASSIGN(CurveCPClientSocket);
 };
 
 }  // namespace net
 
 #endif  // NET_CURVECP_CURVECP_CLIENT_SOCKET_H_