Tiny refactor of QuicSentPacketManager::NetworkChangeVisitor's

net/quic/quic_sent_packet_manager.cc

Index: net/quic/quic_sent_packet_manager.cc
diff --git a/net/quic/quic_sent_packet_manager.cc b/net/quic/quic_sent_packet_manager.cc
index a6749ec65ba48e1f97d072ece29e50575c32b437..26bf363dd3d3ad4259a735b90cd32aa33e6b24e0 100644
--- a/net/quic/quic_sent_packet_manager.cc
+++ b/net/quic/quic_sent_packet_manager.cc
@@ -144,7 +144,7 @@ void QuicSentPacketManager::SetFromConfig(const QuicConfig& config) {
   send_algorithm_->SetFromConfig(config, is_server_);
 
   if (network_change_visitor_ != nullptr) {
-    network_change_visitor_->OnCongestionWindowChange(GetCongestionWindow());
+    network_change_visitor_->OnCongestionWindowChange();
   }
 }
 
@@ -237,7 +237,7 @@ void QuicSentPacketManager::MaybeInvokeCongestionEvent(
   packets_acked_.clear();
   packets_lost_.clear();
   if (network_change_visitor_ != nullptr) {
-    network_change_visitor_->OnCongestionWindowChange(GetCongestionWindow());
+    network_change_visitor_->OnCongestionWindowChange();
   }
 }
 
@@ -662,7 +662,7 @@ void QuicSentPacketManager::RetransmitAllPackets() {
   }
 
   if (network_change_visitor_ != nullptr) {
-    network_change_visitor_->OnCongestionWindowChange(GetCongestionWindow());
+    network_change_visitor_->OnCongestionWindowChange();
   }
 }