Fix QUIC warnings in preparation for enabling them

gfe-relnote: n/a, compilation-only change
PiperOrigin-RevId: 253893322
Change-Id: I15917a1c5b325922850086277cfad5e3b4da20a4
diff --git a/quic/core/quic_stream.h b/quic/core/quic_stream.h
index 5ae9d32..f247e3f 100644
--- a/quic/core/quic_stream.h
+++ b/quic/core/quic_stream.h
@@ -377,10 +377,10 @@
   // Called when data of [offset, offset + data_length] is buffered in send
   // buffer.
   virtual void OnDataBuffered(
-      QuicStreamOffset offset,
-      QuicByteCount data_length,
+      QuicStreamOffset /*offset*/,
+      QuicByteCount /*data_length*/,
       const QuicReferenceCountedPointer<QuicAckListenerInterface>&
-          ack_listener) {}
+      /*ack_listener*/) {}
 
   // True if buffered data in send buffer is below buffered_data_threshold_.
   bool CanWriteNewData() const;