SPDY Proxy - Bug fix to handle flow control (spdy/2.1)

net/spdy/spdy_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_stream.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/values.h"
@@ skipping 174 matching lines @@
       NetLog::TYPE_SPDY_STREAM_UPDATE_SEND_WINDOW,
       make_scoped_refptr(new NetLogSpdyStreamWindowUpdateParameter(
           stream_id_, -delta_window_size, send_window_size_)));
 }
 
 void SpdyStream::IncreaseRecvWindowSize(int delta_window_size) {
   DCHECK_GE(delta_window_size, 1);
   // By the time a read is isued, stream may become inactive.
   if (!session_->IsStreamActive(stream_id_))
     return;
+
+  if (!session_->is_flow_control_enabled())
+    return;
+
   int new_window_size = recv_window_size_ + delta_window_size;
   if (recv_window_size_ > 0)
     DCHECK(new_window_size > 0);
 
   recv_window_size_ = new_window_size;
   net_log_.AddEvent(
       NetLog::TYPE_SPDY_STREAM_UPDATE_RECV_WINDOW,
       make_scoped_refptr(new NetLogSpdyStreamWindowUpdateParameter(
           stream_id_, delta_window_size, recv_window_size_)));
   session_->SendWindowUpdate(stream_id_, delta_window_size);
@@ skipping 475 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