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

net/socket/tcp_client_socket_win.cc

 // 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.
 
 #include "net/socket/tcp_client_socket_win.h"
 
 #include <mstcpip.h>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 656 matching lines @@
 }
 
 int64 TCPClientSocketWin::NumBytesRead() const {
   return num_bytes_read_;
 }
 
 base::TimeDelta TCPClientSocketWin::GetConnectTimeMicros() const {
   return connect_time_micros_;
 }
 
+NextProto TCPClientSocketWin::GetNegotiatedProtocol() const {
+  return kProtoUnknown;
+}
+
 int TCPClientSocketWin::Read(IOBuffer* buf,
                              int buf_len,
                              const CompletionCallback& callback) {
   DCHECK(CalledOnValidThread());
   DCHECK_NE(socket_, INVALID_SOCKET);
   DCHECK(!waiting_read_);
   DCHECK(read_callback_.is_null());
   DCHECK(!core_->read_iobuffer_);
 
   buf_len = core_->ThrottleReadSize(buf_len);
@@ skipping 217 matching lines @@
         use_history_.set_was_used_to_convey_data();
       net_log_.AddByteTransferEvent(NetLog::TYPE_SOCKET_BYTES_SENT, num_bytes,
                                     core_->write_buffer_.buf);
     }
   }
   core_->write_iobuffer_ = NULL;
   DoWriteCallback(rv);
 }
 
 }  // namespace net