relnote: always sending kFIXD And extending the lifetime of the flag. When we deprecate the old ve…

net/quic/quic_crypto_client_stream.cc

Index: net/quic/quic_crypto_client_stream.cc
diff --git a/net/quic/quic_crypto_client_stream.cc b/net/quic/quic_crypto_client_stream.cc
index 2942eef7bcb78a7491c401cfcfcb749fca59267a..12b0f5ea0c4727996f3bf63e85a7421f884fce09 100644
--- a/net/quic/quic_crypto_client_stream.cc
+++ b/net/quic/quic_crypto_client_stream.cc
@@ -298,10 +298,8 @@ void QuicCryptoClientStream::DoSendCHLO(
   // inchoate or subsequent hello.
   session()->config()->ToHandshakeMessage(&out);
 
-  // This block and function should be removed after removing QUIC_VERSION_25.
-  if (FLAGS_quic_require_fix) {
-    AppendFixed(&out);
-  }
+  // This call and function should be removed after removing QUIC_VERSION_25.
+  AppendFixed(&out);
 
   if (!cached->IsComplete(session()->connection()->clock()->WallNow())) {
     crypto_config_->FillInchoateClientHello(