gfe-relnote: Close QUIC connection is there are too many (> 1000) buffered control frames in control frame manager. Protected by gfe2_reloadable_flag_quic_add_upper_limit_of_buffered_control_frames.

PiperOrigin-RevId: 261002263
Change-Id: I4dd92d5c1ea159d05cf35719f1a7ccc36f7b3fd3
diff --git a/quic/core/quic_control_frame_manager.h b/quic/core/quic_control_frame_manager.h
index a4c2678..54ca479 100644
--- a/quic/core/quic_control_frame_manager.h
+++ b/quic/core/quic_control_frame_manager.h
@@ -146,6 +146,9 @@
 
   // Last sent window update frame for each stream.
   QuicSmallMap<QuicStreamId, QuicControlFrameId, 10> window_update_frames_;
+
+  // Latched value of quic_add_upper_limit_of_buffered_control_frames.
+  const bool add_upper_limit_;
 };
 
 }  // namespace quic