Add a switch to redetermine role when ICE restarts.

webrtc/api/peerconnectioninterface_unittest.cc

 /*
  *  Copyright 2012 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 550 matching lines @@
     create_media_controller_called_ = true;
     create_media_controller_config_ = config;
 
     webrtc::MediaControllerInterface* mc =
         PeerConnectionFactory::CreateMediaController(config);
     EXPECT_TRUE(mc != nullptr);
     return mc;
   }
 
   cricket::TransportController* CreateTransportController(
-      cricket::PortAllocator* port_allocator) override {
+      cricket::PortAllocator* port_allocator,
+      bool redetermine_role_on_ice_restart) override {
     transport_controller = new cricket::TransportController(
-        rtc::Thread::Current(), rtc::Thread::Current(), port_allocator);
+        rtc::Thread::Current(), rtc::Thread::Current(), port_allocator,
+        redetermine_role_on_ice_restart);
     return transport_controller;
   }
 
   cricket::TransportController* transport_controller;
   // Mutable, so they can be modified in the above const-declared method.
   mutable bool create_media_controller_called_ = false;
   mutable cricket::MediaConfig create_media_controller_config_;
 };
 
 class PeerConnectionInterfaceTest : public testing::Test {
@@ skipping 2304 matching lines @@
   FakeConstraints updated_answer_c;
   answer_c.SetMandatoryReceiveAudio(false);
   answer_c.SetMandatoryReceiveVideo(false);
 
   cricket::MediaSessionOptions updated_answer_options;
   EXPECT_TRUE(
       ParseConstraintsForAnswer(&updated_answer_c, &updated_answer_options));
   EXPECT_TRUE(updated_answer_options.has_audio());
   EXPECT_TRUE(updated_answer_options.has_video());
 }