Flatten GeneralLossAlgorithm into QuicSentPacketManager. Not flag protected.

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 b3ad0b57c25bf4f9e1f5abf98cdb7f57c076ae64..fff16646c2642daaac3264836e713ae6124e4307 100644
--- a/net/quic/test_tools/quic_sent_packet_manager_peer.cc
+++ b/net/quic/test_tools/quic_sent_packet_manager_peer.cc
@@ -75,14 +75,14 @@ void QuicSentPacketManagerPeer::SetSendAlgorithm(
 // static
 const LossDetectionInterface* QuicSentPacketManagerPeer::GetLossAlgorithm(
     QuicSentPacketManager* sent_packet_manager) {
-  return sent_packet_manager->loss_algorithm_.get();
+  return sent_packet_manager->loss_algorithm_;
 }
 
 // static
 void QuicSentPacketManagerPeer::SetLossAlgorithm(
     QuicSentPacketManager* sent_packet_manager,
     LossDetectionInterface* loss_detector) {
-  sent_packet_manager->loss_algorithm_.reset(loss_detector);
+  sent_packet_manager->loss_algorithm_ = loss_detector;
 }
 
 // static