Change the defaults QuicConfig::server_initial_congestion_window to be

net/tools/quic/quic_client.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_client.h"
 
 #include <errno.h>
 #include <netinet/in.h>
 #include <string.h>
 #include <sys/epoll.h>
@@ skipping 27 matching lines @@
       server_hostname_(server_hostname),
       local_port_(0),
       fd_(-1),
       helper_(CreateQuicConnectionHelper()),
       initialized_(false),
       packets_dropped_(0),
       overflow_supported_(false),
       supported_versions_(supported_versions),
       print_response_(print_response) {
   config_.SetDefaults();
-  // TODO(ianswett): Allow the client to change the server's max packet size and
-  // initial congestion window.
-  config_.set_server_initial_congestion_window(kDefaultInitialWindow,
-                                               kDefaultInitialWindow);

[Ryan Hamilton, 2013/12/01 18:25:39]

There is a line similar to this in quic_stream_factory.cc.  Can you remove it
too?

[ramant (doing other things), 2013/12/02 05:10:50]

Didn't see a similar line in quic_stream_factory.cc (might have been deleted
already). Would like to show you tomorrow. thanks.

 }
 
 QuicClient::QuicClient(IPEndPoint server_address,
                        const string& server_hostname,
                        const QuicConfig& config,
                        const QuicVersionVector& supported_versions)
     : server_address_(server_address),
       server_hostname_(server_hostname),
       config_(config),
       local_port_(0),
@@ skipping 260 matching lines @@
   }
 
   IPEndPoint client_address(client_ip, client_address_.port());
   session_->connection()->ProcessUdpPacket(
       client_address, server_address, packet);
   return true;
 }
 
 }  // namespace tools
 }  // namespace net