Remove logging of unused and deprecated PeerConnection::Observer callbacks

remoting/host/cast_extension_session.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/host/cast_extension_session.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/json/json_reader.h"
@@ skipping 559 matching lines @@
 bool CastExtensionSession::connection_active() const {
   return peer_connection_.get() != nullptr;
 }
 
 // webrtc::PeerConnectionObserver implementation -------------------------------
 void CastExtensionSession::OnSignalingChange(
     webrtc::PeerConnectionInterface::SignalingState new_state) {
   VLOG(1) << "PeerConnectionObserver: SignalingState changed to:" << new_state;
 }
 
-void CastExtensionSession::OnStateChange(
-    webrtc::PeerConnectionObserver::StateType state_changed) {
-  VLOG(1) << "PeerConnectionObserver: StateType changed to: " << state_changed;
-}
-
 void CastExtensionSession::OnAddStream(webrtc::MediaStreamInterface* stream) {
   VLOG(1) << "PeerConnectionObserver: stream added: " << stream->label();
 }
 
 void CastExtensionSession::OnRemoveStream(
     webrtc::MediaStreamInterface* stream) {
   VLOG(1) << "PeerConnectionObserver: stream removed: " << stream->label();
 }
 
 void CastExtensionSession::OnDataChannel(
@@ skipping 21 matching lines @@
         &CastExtensionSession::PollPeerConnectionStats);
   }
 }
 
 void CastExtensionSession::OnIceGatheringChange(
     webrtc::PeerConnectionInterface::IceGatheringState new_state) {
   VLOG(1) << "PeerConnectionObserver: IceGatheringState changed to: "
           << new_state;
 }
 
-void CastExtensionSession::OnIceComplete() {
-  VLOG(1) << "PeerConnectionObserver: all ICE candidates found.";
-}
-
 void CastExtensionSession::OnIceCandidate(
     const webrtc::IceCandidateInterface* candidate) {
   std::string candidate_str;
   if (!candidate->ToString(&candidate_str)) {
     LOG(ERROR) << "PeerConnectionObserver: failed to serialize candidate.";
     return;
   }
   base::DictionaryValue json;
   json.SetString(kWebRtcSDPMid, candidate->sdp_mid());
   json.SetInteger(kWebRtcSDPMLineIndex, candidate->sdp_mline_index());
   json.SetString(kWebRtcCandidate, candidate_str);
   std::string json_str;
   if (!base::JSONWriter::Write(json, &json_str)) {
     LOG(ERROR) << "Failed to serialize candidate message.";
     return;
   }
   SendMessageToClient(kSubjectNewCandidate, json_str);
 }
 
 }  // namespace remoting