Add instrumentation to track the IceEndpointType.

webrtc/p2p/base/stunport_unittest.cc

 /*
  *  Copyright 2009 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 232 matching lines @@
 // Test that the same address is added only once if two STUN servers are in use.
 TEST_F(StunPortTest, TestNoDuplicatedAddressWithTwoStunServers) {
   ServerAddresses stun_servers;
   stun_servers.insert(kStunAddr1);
   stun_servers.insert(kStunAddr2);
   CreateStunPort(stun_servers);
   EXPECT_EQ("stun", port()->Type());
   PrepareAddress();
   EXPECT_TRUE_WAIT(done(), kTimeoutMs);
   EXPECT_EQ(1U, port()->Candidates().size());
+  EXPECT_EQ(port()->Candidates()[0].relay_protocol(), "");
 }
 
 // Test that candidates can be allocated for multiple STUN servers, one of which
 // is not reachable.
 TEST_F(StunPortTest, TestMultipleStunServersWithBadServer) {
   ServerAddresses stun_servers;
   stun_servers.insert(kStunAddr1);
   stun_servers.insert(kBadAddr);
   CreateStunPort(stun_servers);
   EXPECT_EQ("stun", port()->Type());
@@ skipping 11 matching lines @@
   stun_server_2()->set_fake_stun_addr(kStunMappedAddr2);
 
   ServerAddresses stun_servers;
   stun_servers.insert(kStunAddr1);
   stun_servers.insert(kStunAddr2);
   CreateStunPort(stun_servers);
   EXPECT_EQ("stun", port()->Type());
   PrepareAddress();
   EXPECT_TRUE_WAIT(done(), kTimeoutMs);
   EXPECT_EQ(2U, port()->Candidates().size());
+  EXPECT_EQ(port()->Candidates()[0].relay_protocol(), "");
+  EXPECT_EQ(port()->Candidates()[1].relay_protocol(), "");
 }