relnote: Allow individual QUIC writers to limit the maximum packet size.

net/tools/quic/quic_simple_per_connection_packet_writer.cc

Index: net/tools/quic/quic_simple_per_connection_packet_writer.cc
diff --git a/net/tools/quic/quic_simple_per_connection_packet_writer.cc b/net/tools/quic/quic_simple_per_connection_packet_writer.cc
index 6a56fb910a562bf0747cf82f8561fb87e95b40ba..2bcaf4b6c95e86116f0321880456b522b4bcd47d 100644
--- a/net/tools/quic/quic_simple_per_connection_packet_writer.cc
+++ b/net/tools/quic/quic_simple_per_connection_packet_writer.cc
@@ -57,5 +57,10 @@ void QuicSimplePerConnectionPacketWriter::OnWriteComplete(WriteResult result) {
   }
 }
 
+QuicByteCount QuicSimplePerConnectionPacketWriter::GetMaxPacketSize(
+    const IPEndPoint& peer_address) const {
+  return shared_writer_->GetMaxPacketSize(peer_address);
+}
+
 }  // namespace tools
 }  // namespace net