Rather than passing initial_flow_control_window all the way down the

net/quic/crypto/quic_crypto_client_config_test.cc

 // Copyright 2013 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/crypto/quic_crypto_client_config.h"
 
 #include "net/quic/crypto/proof_verifier.h"
 #include "net/quic/quic_server_id.h"
 #include "net/quic/test_tools/mock_random.h"
 #include "net/quic/test_tools/quic_test_utils.h"
@@ skipping 92 matching lines @@
   QuicTag pdmd;
   EXPECT_EQ(QUIC_NO_ERROR, msg.GetUint32(kPDMD, &pdmd));
   EXPECT_EQ(kX59R, pdmd);
 }
 
 TEST(QuicCryptoClientConfigTest, FillClientHello) {
   QuicCryptoClientConfig::CachedState state;
   QuicCryptoClientConfig config;
   QuicCryptoNegotiatedParameters params;
   QuicConnectionId kConnectionId = 1234;
-  uint32 kInitialFlowControlWindow = 5678;
   string error_details;
   MockRandom rand;
   CryptoHandshakeMessage chlo;
   QuicServerId server_id("www.google.com", 80, false, PRIVACY_MODE_DISABLED);
   config.FillClientHello(server_id,
                          kConnectionId,
                          QuicVersionMax(),
-                         kInitialFlowControlWindow,
                          &state,
                          QuicWallTime::Zero(),
                          &rand,
                          NULL,  // channel_id_key
                          &params,
                          &chlo,
                          &error_details);
 
   // Verify that certain QuicTags have been set correctly in the CHLO.
   QuicTag cver;
   EXPECT_EQ(QUIC_NO_ERROR, chlo.GetUint32(kVER, &cver));
   EXPECT_EQ(QuicVersionToQuicTag(QuicVersionMax()), cver);
-
-  QuicTag ifcw;
-  EXPECT_EQ(QUIC_NO_ERROR, chlo.GetUint32(kIFCW, &ifcw));
-  EXPECT_EQ(kInitialFlowControlWindow, ifcw);
 }
 
 TEST(QuicCryptoClientConfigTest, ProcessServerDowngradeAttack) {
   QuicVersionVector supported_versions = QuicSupportedVersions();
   if (supported_versions.size() == 1) {
     // No downgrade attack is possible if the client only supports one version.
     return;
   }
   QuicTagVector supported_version_tags;
   for (size_t i = supported_versions.size(); i > 0; --i) {
@@ skipping 108 matching lines @@
   EXPECT_EQ(state, cleared_cache);
   EXPECT_FALSE(cleared_cache->proof_valid());
   EXPECT_TRUE(cleared_cache->server_config().empty());
   EXPECT_TRUE(cleared_cache->certs().empty());
   EXPECT_TRUE(cleared_cache->signature().empty());
   EXPECT_EQ(2u, cleared_cache->generation_counter());
 }
 
 }  // namespace test
 }  // namespace net