SPDY - add support for spdy/2.1 to support flow control.

net/spdy/spdy_stream.cc

 // Copyright (c) 2011 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_stream.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/values.h"
 #include "net/spdy/spdy_session.h"
@@ skipping 307 matching lines @@
   CHECK(!closed());
 
   // A zero-length read means that the stream is being closed.
   if (!length) {
     metrics_.StopStream();
     session_->CloseStream(stream_id_, net::OK);
     // Note: |this| may be deleted after calling CloseStream.
     return;
   }
 
-  if (session_->flow_control())
+  if (session_->is_flow_control_enabled())
     DecreaseRecvWindowSize(length);
 
   // Track our bandwidth.
   metrics_.RecordBytes(length);
   recv_bytes_ += length;
   recv_last_byte_time_ = base::TimeTicks::Now();
 
   if (!delegate_) {
     // It should be valid for this to happen in the server push case.
     // We'll return received data when delegate gets attached to the stream.
@@ skipping 259 matching lines @@
   UMA_HISTOGRAM_TIMES("Net.SpdyStreamDownloadTime",
       recv_last_byte_time_ - recv_first_byte_time_);
   UMA_HISTOGRAM_TIMES("Net.SpdyStreamTime",
       recv_last_byte_time_ - send_time_);
 
   UMA_HISTOGRAM_COUNTS("Net.SpdySendBytes", send_bytes_);
   UMA_HISTOGRAM_COUNTS("Net.SpdyRecvBytes", recv_bytes_);
 }
 
 }  // namespace net