Actually use virtual network in OrtcFactory unit test.

webrtc/ortc/ortcfactory_unittest.cc

 /*
  *  Copyright 2017 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 11 matching lines @@
 
 // This test uses a virtual network and fake media engine, in order to test the
 // OrtcFactory at only an API level. Any end-to-end test should go in
 // ortcfactory_integrationtest.cc instead.
 class OrtcFactoryTest : public testing::Test {
  public:
   OrtcFactoryTest()
       : thread_(&virtual_socket_server_),
         fake_packet_transport_("fake transport") {
     ortc_factory_ =
-        OrtcFactory::Create(nullptr, nullptr, &fake_network_manager_, nullptr,
+        OrtcFactory::Create(&thread_, nullptr, &fake_network_manager_, nullptr,
                             nullptr,
                             std::unique_ptr<cricket::MediaEngineInterface>(
                                 new cricket::FakeMediaEngine()))
             .MoveValue();
   }
 
  protected:
   // Uses a single pre-made FakePacketTransport, so shouldn't be called twice in
   // the same test.
   std::unique_ptr<RtpTransportInterface>
@@ skipping 203 matching lines @@
 TEST_F(OrtcFactoryTest, CreateSendersOrReceieversWithNullTransport) {
   auto sender_result =
       ortc_factory_->CreateRtpSender(cricket::MEDIA_TYPE_AUDIO, nullptr);
   EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, sender_result.error().type());
   auto receiver_result =
       ortc_factory_->CreateRtpReceiver(cricket::MEDIA_TYPE_AUDIO, nullptr);
   EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, receiver_result.error().type());
 }
 
 }  // namespace webrtc