Add a new QUIC Ack Decimation mode that is reordering tolerant. Protected by FLAG_quic_ack_decimati…

net/quic/test_tools/quic_connection_peer.cc

Index: net/quic/test_tools/quic_connection_peer.cc
diff --git a/net/quic/test_tools/quic_connection_peer.cc b/net/quic/test_tools/quic_connection_peer.cc
index f171bff8ca6ee43a3e88c1b03ce4de8df9248c84..61f8d32009e04d61d876788b29f1274ef4716a88 100644
--- a/net/quic/test_tools/quic_connection_peer.cc
+++ b/net/quic/test_tools/quic_connection_peer.cc
@@ -6,7 +6,6 @@
 
 #include "base/stl_util.h"
 #include "net/quic/congestion_control/send_algorithm_interface.h"
-#include "net/quic/quic_connection.h"
 #include "net/quic/quic_packet_writer.h"
 #include "net/quic/quic_received_packet_manager.h"
 #include "net/quic/test_tools/quic_framer_peer.h"
@@ -268,8 +267,9 @@ void QuicConnectionPeer::SetNextMtuProbeAt(QuicConnection* connection,
 }
 
 // static
-void QuicConnectionPeer::EnableAckDecimation(QuicConnection* connection) {
-  connection->ack_decimation_enabled_ = true;
+void QuicConnectionPeer::SetAckMode(QuicConnection* connection,
+                                    QuicConnection::AckMode ack_mode) {
+  connection->ack_mode_ = ack_mode;
 }
 
 }  // namespace test