[SPDY] Remove more code related to sending HEADERS frames

net/spdy/spdy_http_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/spdy/spdy_http_stream.h"
 
 #include <algorithm>
 #include <list>
 
 #include "base/bind.h"
@@ skipping 350 matching lines @@
   // TODO(ahendrickson): This is recorded after the entire SYN_STREAM control
   // frame has been received and processed.  Move to framer?
   response_info_->response_time = response_time;
 
   if (!callback_.is_null())
     DoCallback(status);
 
   return status;
 }
 
-void SpdyHttpStream::OnHeadersSent() {
-  // For HTTP streams, no HEADERS frame is sent from the client.
-  NOTREACHED();
-}
-
 int SpdyHttpStream::OnDataReceived(scoped_ptr<SpdyBuffer> buffer) {
   // SpdyStream won't call us with data if the header block didn't contain a
   // valid set of headers.  So we don't expect to not have headers received
   // here.
   if (!response_headers_received_)
     return ERR_INCOMPLETE_SPDY_HEADERS;
 
   // Note that data may be received for a SpdyStream prior to the user calling
   // ReadResponseBody(), therefore user_buffer_ may be NULL.  This may often
   // happen for server initiated streams.
@@ skipping 169 matching lines @@
 bool SpdyHttpStream::IsSpdyHttpStream() const {
   return true;
 }
 
 void SpdyHttpStream::Drain(HttpNetworkSession* session) {
   Close(false);
   delete this;
 }
 
 }  // namespace net