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_connection.cc b/quic/core/quic_connection.cc
index 895227c..71d3156 100644
--- a/quic/core/quic_connection.cc
+++ b/quic/core/quic_connection.cc
@@ -1460,16 +1460,16 @@
 }
 
 bool QuicConnection::OnNewConnectionIdFrame(
-    const QuicNewConnectionIdFrame& frame) {
+    const QuicNewConnectionIdFrame& /*frame*/) {
   return true;
 }
 
 bool QuicConnection::OnRetireConnectionIdFrame(
-    const QuicRetireConnectionIdFrame& frame) {
+    const QuicRetireConnectionIdFrame& /*frame*/) {
   return true;
 }
 
-bool QuicConnection::OnNewTokenFrame(const QuicNewTokenFrame& frame) {
+bool QuicConnection::OnNewTokenFrame(const QuicNewTokenFrame& /*frame*/) {
   return true;
 }
 
@@ -1630,7 +1630,7 @@
 }
 
 void QuicConnection::OnAuthenticatedIetfStatelessResetPacket(
-    const QuicIetfStatelessResetPacket& packet) {
+    const QuicIetfStatelessResetPacket& /*packet*/) {
   // TODO(fayang): Add OnAuthenticatedIetfStatelessResetPacket to
   // debug_visitor_.
   const std::string error_details = "Received stateless reset.";