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

jingle/notifier/base/proxy_resolving_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.
 //
 // This StreamSocket implementation wraps a ClientSocketHandle that is created
 // from the client socket pool after resolving proxies.
 
 #ifndef JINGLE_NOTIFIER_BASE_PROXY_RESOLVING_CLIENT_SOCKET_H_
 #define JINGLE_NOTIFIER_BASE_PROXY_RESOLVING_CLIENT_SOCKET_H_
 #pragma once
 
@@ skipping 46 matching lines @@
   virtual bool IsConnectedAndIdle() const OVERRIDE;
   virtual int GetPeerAddress(net::AddressList* address) const OVERRIDE;
   virtual int GetLocalAddress(net::IPEndPoint* address) const OVERRIDE;
   virtual const net::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;
 
  private:
   // Proxy resolution and connection functions.
   void ProcessProxyResolveDone(int status);
   void ProcessConnectDone(int status);
 
   void CloseTransportSocket();
   void RunUserConnectCallback(int status);
   int ReconsiderProxyAfterError(int error);
   void ReportSuccessfulProxyConnection();
@@ skipping 15 matching lines @@
   net::BoundNetLog bound_net_log_;
   base::WeakPtrFactory<ProxyResolvingClientSocket> weak_factory_;
 
   // The callback passed to Connect().
   net::CompletionCallback user_connect_callback_;
 };
 
 }  // namespace notifier
 
 #endif  // JINGLE_NOTIFIER_BASE_PROXY_RESOLVING_CLIENT_SOCKET_H_