Add QuicSentPacketManagerInterface, and QuicSentPacketManager implements it. No functional change e…

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 ed5e554b6000874f87b626c5f41aabb035f3f5ae..7dc83ca0b46027b6236bfa2aaebb185c66c37554 100644
--- a/net/quic/test_tools/quic_sent_packet_manager_peer.cc
+++ b/net/quic/test_tools/quic_sent_packet_manager_peer.cc
@@ -104,9 +104,10 @@ QuicTime QuicSentPacketManagerPeer::GetSentTime(
 // static
 bool QuicSentPacketManagerPeer::IsRetransmission(
     QuicSentPacketManager* sent_packet_manager,
+    QuicPathId path_id,
     QuicPacketNumber packet_number) {
-  DCHECK(sent_packet_manager->HasRetransmittableFrames(packet_number));
-  if (!sent_packet_manager->HasRetransmittableFrames(packet_number)) {
+  DCHECK(sent_packet_manager->HasRetransmittableFrames(path_id, packet_number));
+  if (!sent_packet_manager->HasRetransmittableFrames(path_id, packet_number)) {
     return false;
   }
   for (auto transmission_info : sent_packet_manager->unacked_packets_) {
@@ -120,6 +121,7 @@ bool QuicSentPacketManagerPeer::IsRetransmission(
 // static
 void QuicSentPacketManagerPeer::MarkForRetransmission(
     QuicSentPacketManager* sent_packet_manager,
+    QuicPathId path_id,
     QuicPacketNumber packet_number,
     TransmissionType transmission_type) {
   sent_packet_manager->MarkForRetransmission(packet_number, transmission_type);
@@ -158,7 +160,7 @@ QuicByteCount QuicSentPacketManagerPeer::GetBytesInFlight(
 }
 
 // static
-QuicSentPacketManager::NetworkChangeVisitor*
+QuicSentPacketManagerInterface::NetworkChangeVisitor*
 QuicSentPacketManagerPeer::GetNetworkChangeVisitor(
     const QuicSentPacketManager* sent_packet_manager) {
   return sent_packet_manager->network_change_visitor_;
@@ -184,5 +186,11 @@ QuicSustainedBandwidthRecorder& QuicSentPacketManagerPeer::GetBandwidthRecorder(
   return sent_packet_manager->sustained_bandwidth_recorder_;
 }
 
+// static
+bool QuicSentPacketManagerPeer::UsingPacing(
+    const QuicSentPacketManager* sent_packet_manager) {
+  return sent_packet_manager->using_pacing_;
+}
+
 }  // namespace test
 }  // namespace net