Add logging of host lookups made by TurnPort to the RtcEventLog.

webrtc/p2p/base/port_unittest.cc

Index: webrtc/p2p/base/port_unittest.cc
diff --git a/webrtc/p2p/base/port_unittest.cc b/webrtc/p2p/base/port_unittest.cc
index 757c1b31bff009c3b300a0a6a6c19fabcc2a2e40..59b8f0299281e2c390051de753bd9982f9c3e0d8 100644
--- a/webrtc/p2p/base/port_unittest.cc
+++ b/webrtc/p2p/base/port_unittest.cc
@@ -533,10 +533,14 @@ class PortTest : public testing::Test, public sigslot::has_slots<> {
                            PacketSocketFactory* socket_factory,
                            ProtocolType int_proto, ProtocolType ext_proto,
                            const rtc::SocketAddress& server_addr) {
-    return TurnPort::Create(&main_, socket_factory, MakeNetwork(addr), 0, 0,
+    constexpr uint16_t kMinPort = 0;
+    constexpr uint16_t kMaxPort = 0;
+    webrtc::RtcEventLog* event_log = nullptr;
+    return TurnPort::Create(&main_, socket_factory, MakeNetwork(addr),
+                            kMinPort, kMaxPort,
                             username_, password_,
                             ProtocolAddress(server_addr, int_proto),
-                            kRelayCredentials, 0, std::string());
+                            kRelayCredentials, 0, std::string(), event_log);
   }
   RelayPort* CreateGturnPort(const SocketAddress& addr,
                              ProtocolType int_proto, ProtocolType ext_proto) {