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

remoting/protocol/fake_session.h

 // 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 REMOTING_PROTOCOL_FAKE_SESSION_H_
 #define REMOTING_PROTOCOL_FAKE_SESSION_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 50 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:
   bool read_pending_;
   scoped_refptr<net::IOBuffer> read_buffer_;
   int read_buffer_size_;
   net::CompletionCallback read_callback_;
   base::WeakPtr<FakeSocket> peer_socket_;
 
   std::string written_data_;
   std::string input_data_;
@@ skipping 104 matching lines @@
   ErrorCode error_;
   bool closed_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeSession);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_FAKE_SESSION_H_