Fix a bug in the handling of SCUP messages in QUIC clients.

net/quic/core/quic_crypto_client_stream.cc

Index: net/quic/core/quic_crypto_client_stream.cc
diff --git a/net/quic/core/quic_crypto_client_stream.cc b/net/quic/core/quic_crypto_client_stream.cc
index 2ab942794249b8131eab7dcff404c32861c5e239..7287c2c04eb256e47fc028737ce39a0a9ae1d774 100644
--- a/net/quic/core/quic_crypto_client_stream.cc
+++ b/net/quic/core/quic_crypto_client_stream.cc
@@ -171,7 +171,7 @@ void QuicCryptoClientStream::HandleServerConfigUpdateMessage(
       crypto_config_->LookupOrCreate(server_id_);
   QuicErrorCode error = crypto_config_->ProcessServerConfigUpdate(
       server_config_update, session()->connection()->clock()->WallNow(),
-      session()->connection()->version(), cached->chlo_hash(), cached,
+      session()->connection()->version(), chlo_hash_, cached,
       crypto_negotiated_params_, &error_details);
 
   if (error != QUIC_NO_ERROR) {