Remove now unused Balsa code.

net/tools/quic/quic_spdy_client_stream.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/tools/quic/quic_spdy_client_stream.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "net/quic/core/quic_alarm.h"
 #include "net/quic/core/quic_client_promised_info.h"
 #include "net/quic/core/spdy_utils.h"
 #include "net/spdy/spdy_protocol.h"
 #include "net/tools/quic/quic_client_session.h"
-#include "net/tools/quic/spdy_balsa_utils.h"
 
 using base::StringPiece;
 using std::string;
 using base::StringToInt;
 
 namespace net {
 
 QuicSpdyClientStream::QuicSpdyClientStream(QuicStreamId id,
                                            QuicClientSession* session)
     : QuicSpdyStream(id, session),
@@ skipping 113 matching lines @@
   bytes_sent += header_bytes_written_;
 
   if (!body.empty()) {
     WriteOrBufferData(body, fin, nullptr);
   }
 
   return bytes_sent;
 }
 
 }  // namespace net