A number of fixes to please clang_tidy. There should be no functional

net/quic/quic_packet_creator.h

Index: net/quic/quic_packet_creator.h
diff --git a/net/quic/quic_packet_creator.h b/net/quic/quic_packet_creator.h
index a43d027610c35a3531ca732f6da1d61b3cfafcb8..fc76f5b96f26b3d43cdfdd03488696b7b98bd8a1 100644
--- a/net/quic/quic_packet_creator.h
+++ b/net/quic/quic_packet_creator.h
@@ -165,6 +165,9 @@ class NET_EXPORT_PRIVATE QuicPacketCreator : public QuicFecBuilderInterface {
   QuicEncryptedPacket* SerializeVersionNegotiationPacket(
       const QuicVersionVector& supported_versions);
 
+  // Returns a dummy packet that is valid but contains no useful information.
+  static SerializedPacket NoPacket();
+
   // Sets the encryption level that will be applied to new packets.
   void set_encryption_level(EncryptionLevel level) {
     encryption_level_ = level;