Add a QUIC connection option, 'NTLP', to disable tail loss probes by

net/quic/test_tools/quic_sent_packet_manager_peer.cc

Index: net/quic/test_tools/quic_sent_packet_manager_peer.cc
diff --git a/net/quic/test_tools/quic_sent_packet_manager_peer.cc b/net/quic/test_tools/quic_sent_packet_manager_peer.cc
index bebd5545170add9f54c2e6e4cc7f681acc2fa765..6a792bb3bae9af1529caf4ed3a0ba14270b4057d 100644
--- a/net/quic/test_tools/quic_sent_packet_manager_peer.cc
+++ b/net/quic/test_tools/quic_sent_packet_manager_peer.cc
@@ -14,6 +14,12 @@ namespace net {
 namespace test {
 
 // static
+size_t QuicSentPacketManagerPeer::GetMaxTailLossProbes(
+    QuicSentPacketManager* sent_packet_manager) {
+  return sent_packet_manager->max_tail_loss_probes_;
+}
+
+// static
 void QuicSentPacketManagerPeer::SetMaxTailLossProbes(
     QuicSentPacketManager* sent_packet_manager, size_t max_tail_loss_probes) {
   sent_packet_manager->max_tail_loss_probes_ = max_tail_loss_probes;