Rather than passing initial_flow_control_window all the way down the

net/quic/crypto/quic_crypto_client_config.cc

Index: net/quic/crypto/quic_crypto_client_config.cc
diff --git a/net/quic/crypto/quic_crypto_client_config.cc b/net/quic/crypto/quic_crypto_client_config.cc
index ae572483cc49f7572fcac9c03682827f0e5d52d5..8dc6a55445727ba66938f43f6306bb4dd4234ad2 100644
--- a/net/quic/crypto/quic_crypto_client_config.cc
+++ b/net/quic/crypto/quic_crypto_client_config.cc
@@ -346,7 +346,6 @@ QuicErrorCode QuicCryptoClientConfig::FillClientHello(
     const QuicServerId& server_id,
     QuicConnectionId connection_id,
     const QuicVersion preferred_version,
-    uint32 initial_flow_control_window_bytes,
     const CachedState* cached,
     QuicWallTime now,
     QuicRandom* rand,
@@ -359,9 +358,6 @@ QuicErrorCode QuicCryptoClientConfig::FillClientHello(
   FillInchoateClientHello(server_id, preferred_version, cached,
                           out_params, out);
 
-  // Set initial receive window for flow control.
-  out->SetValue(kIFCW, initial_flow_control_window_bytes);
-
   const CryptoHandshakeMessage* scfg = cached->GetServerConfig();
   if (!scfg) {
     // This should never happen as our caller should have checked