Removing unused shared_writer() method in quic_per_connection_packet_writer.h

net/tools/quic/quic_per_connection_packet_writer.h

Index: net/tools/quic/quic_per_connection_packet_writer.h
diff --git a/net/tools/quic/quic_per_connection_packet_writer.h b/net/tools/quic/quic_per_connection_packet_writer.h
index cc48b635e1476bf3a898c12fd7c7717b1512cdc7..4c7df43f8f0cc2c019fbfba32696c63de8839f04 100644
--- a/net/tools/quic/quic_per_connection_packet_writer.h
+++ b/net/tools/quic/quic_per_connection_packet_writer.h
@@ -20,8 +20,6 @@ class QuicPerConnectionPacketWriter : public QuicPacketWriter {
   explicit QuicPerConnectionPacketWriter(QuicPacketWriter* shared_writer);
   ~QuicPerConnectionPacketWriter() override;
 
-  QuicPacketWriter* shared_writer() const { return shared_writer_; }
-
   // Default implementation of the QuicPacketWriter interface: Passes everything
   // to |shared_writer_|.
   WriteResult WritePacket(const char* buffer,