Remove deprecated PeerConnectionObserver::OnStateChange and OnIceComplete

talk/app/webrtc/peerconnection_unittest.cc

 /*
  * libjingle
  * Copyright 2012 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 368 matching lines @@
   bool can_receive_video() {
     bool value;
     if (webrtc::FindConstraint(&session_description_constraints_,
                                MediaConstraintsInterface::kOfferToReceiveVideo,
                                &value, nullptr)) {
       return value;
     }
     return true;
   }
 
-  void OnIceComplete() override { LOG(INFO) << id_ << "OnIceComplete"; }
-
   void OnDataChannel(DataChannelInterface* data_channel) override {
     LOG(INFO) << id_ << "OnDataChannel";
     data_channel_ = data_channel;
     data_observer_.reset(new MockDataChannelObserver(data_channel));
   }
 
   void CreateDataChannel() {
     data_channel_ = pc()->CreateDataChannel(kDataChannelLabel, nullptr);
     ASSERT_TRUE(data_channel_.get() != nullptr);
     data_observer_.reset(new MockDataChannelObserver(data_channel_));
@@ skipping 1621 matching lines @@
   PeerConnectionInterface::IceServer server;
   server.urls.push_back("turn:hostname");
   server.urls.push_back("turn:hostname2");
   servers.push_back(server);
   EXPECT_TRUE(webrtc::ParseIceServers(servers, &stun_servers_, &turn_servers_));
   EXPECT_EQ(2U, turn_servers_.size());
   EXPECT_NE(turn_servers_[0].priority, turn_servers_[1].priority);
 }
 
 #endif // if !defined(THREAD_SANITIZER)