Adding ThreadChecker validation to d'tors for protocol classes

remoting/protocol/ice_connection_to_client.cc

 // Copyright 2015 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/protocol/ice_connection_to_client.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 49 matching lines @@
       video_encode_task_runner_(std::move(video_encode_task_runner)),
       audio_task_runner_(std::move(audio_task_runner)),
       transport_(transport_context, this),
       control_dispatcher_(new HostControlDispatcher()),
       event_dispatcher_(new HostEventDispatcher()),
       video_dispatcher_(new HostVideoDispatcher()) {
   session_->SetEventHandler(this);
   session_->SetTransport(&transport_);
 }
 
-IceConnectionToClient::~IceConnectionToClient() {}
+IceConnectionToClient::~IceConnectionToClient() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+}
 
 void IceConnectionToClient::SetEventHandler(
     ConnectionToClient::EventHandler* event_handler) {
   DCHECK(thread_checker_.CalledOnValidThread());
   event_handler_ = event_handler;
 }
 
 protocol::Session* IceConnectionToClient::session() {
   DCHECK(thread_checker_.CalledOnValidThread());
   return session_.get();
@@ skipping 143 matching lines @@
 
 void IceConnectionToClient::CloseChannels() {
   control_dispatcher_.reset();
   event_dispatcher_.reset();
   video_dispatcher_.reset();
   audio_writer_.reset();
 }
 
 }  // namespace protocol
 }  // namespace remoting