Import Cobalt 20.master.0.215766
diff --git a/src/net/tools/quic/quic_simple_server_packet_writer.cc b/src/net/tools/quic/quic_simple_server_packet_writer.cc
index 629f4f4..60130a0 100644
--- a/src/net/tools/quic/quic_simple_server_packet_writer.cc
+++ b/src/net/tools/quic/quic_simple_server_packet_writer.cc
@@ -53,10 +53,12 @@
   dispatcher_->OnCanWrite();
 }
 
+#if !defined(COBALT_QUIC46)
 bool QuicSimpleServerPacketWriter::IsWriteBlockedDataBuffered() const {
   // UDPServerSocket::SendTo buffers the data until the Write is permitted.
   return true;
 }
+#endif
 
 bool QuicSimpleServerPacketWriter::IsWriteBlocked() const {
   return write_blocked_;