Add client connection ID methods to quic_packets

gfe-relnote: n/a, adds new currently unused methods
PiperOrigin-RevId: 250704882
Change-Id: I0205e7638c229df39c1bb60661433c34adec5f84
diff --git a/quic/core/quic_packets.h b/quic/core/quic_packets.h
index d3c2600..b1964e7 100644
--- a/quic/core/quic_packets.h
+++ b/quic/core/quic_packets.h
@@ -41,6 +41,12 @@
 // Returns the destination connection ID of |header| when |perspective| is
 // client, and the source connection ID when |perspective| is server.
 QUIC_EXPORT_PRIVATE QuicConnectionId
+GetClientConnectionIdAsRecipient(const QuicPacketHeader& header,
+                                 Perspective perspective);
+
+// Returns the destination connection ID of |header| when |perspective| is
+// client, and the source connection ID when |perspective| is server.
+QUIC_EXPORT_PRIVATE QuicConnectionId
 GetServerConnectionIdAsSender(const QuicPacketHeader& header,
                               Perspective perspective);
 
@@ -51,6 +57,12 @@
 GetServerConnectionIdIncludedAsSender(const QuicPacketHeader& header,
                                       Perspective perspective);
 
+// Returns the destination connection ID of |header| when |perspective| is
+// server, and the source connection ID when |perspective| is client.
+QUIC_EXPORT_PRIVATE QuicConnectionId
+GetClientConnectionIdAsSender(const QuicPacketHeader& header,
+                              Perspective perspective);
+
 // Returns the destination connection ID included of |header| when |perspective|
 // is server, and the source connection ID included when |perspective| is
 // client.