Rather than passing initial_flow_control_window all the way down the

net/quic/quic_crypto_server_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/quic/quic_crypto_server_stream.h"
 
 #include "base/base64.h"
 #include "crypto/secure_hash.h"
 #include "net/quic/crypto/crypto_protocol.h"
 #include "net/quic/crypto/crypto_utils.h"
@@ skipping 155 matching lines @@
     const CryptoHandshakeMessage& message,
     const ValidateClientHelloResultCallback::Result& result,
     CryptoHandshakeMessage* reply,
     string* error_details) {
   return crypto_config_.ProcessClientHello(
       result,
       session()->connection()->connection_id(),
       session()->connection()->peer_address(),
       session()->connection()->version(),
       session()->connection()->supported_versions(),
-      session()->max_flow_control_receive_window_bytes(),
       session()->connection()->clock(),
       session()->connection()->random_generator(),
       &crypto_negotiated_params_, reply, error_details);
 }
 
 void QuicCryptoServerStream::OverrideQuicConfigDefaults(QuicConfig* config) {
 }
 
 QuicCryptoServerStream::ValidateCallback::ValidateCallback(
     QuicCryptoServerStream* parent) : parent_(parent) {
 }
 
 void QuicCryptoServerStream::ValidateCallback::Cancel() {
   parent_ = NULL;
 }
 
 void QuicCryptoServerStream::ValidateCallback::RunImpl(
     const CryptoHandshakeMessage& client_hello,
     const Result& result) {
   if (parent_ != NULL) {
     parent_->FinishProcessingHandshakeMessage(client_hello, result);
   }
 }
 
 }  // namespace net