Implement an event-based simulator for QuicConnection

net/quic/core/congestion_control/simulation/port.cc

Index: net/quic/core/congestion_control/simulation/port.cc
diff --git a/net/quic/core/congestion_control/simulation/port.cc b/net/quic/core/congestion_control/simulation/port.cc
new file mode 100644
index 0000000000000000000000000000000000000000..29d21e6af47d47bcb364a4e454f5f9ca3d11883f
--- /dev/null
+++ b/net/quic/core/congestion_control/simulation/port.cc
@@ -0,0 +1,13 @@
+#include "net/quic/core/congestion_control/simulation/port.h"
+
+namespace net {
+namespace simulation {
+
+Packet::Packet()
+    : source(), destination(), tx_timestamp(QuicTime::Zero()), size(0) {}
+
+Endpoint::Endpoint(Simulator* simulator, std::string name)
+    : Actor(simulator, name) {}
+
+}  // namespace simulation
+}  // namespace net