Adding ThreadChecker validation to d'tors for host classes

remoting/host/security_key/security_key_auth_handler_win.cc

 // Copyright 2016 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/security_key/security_key_auth_handler.h"
 
 #include <cstdint>
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 109 matching lines @@
 }
 
 SecurityKeyAuthHandlerWin::SecurityKeyAuthHandlerWin(
     ClientSessionDetails* client_session_details)
     : client_session_details_(client_session_details),
       disconnect_timeout_(kInitialRequestTimeout),
       weak_factory_(this) {
   DCHECK(client_session_details_);
 }
 
-SecurityKeyAuthHandlerWin::~SecurityKeyAuthHandlerWin() {}
+SecurityKeyAuthHandlerWin::~SecurityKeyAuthHandlerWin() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+}
 
 void SecurityKeyAuthHandlerWin::CreateSecurityKeyConnection() {
   DCHECK(thread_checker_.CalledOnValidThread());
   StartIpcServerChannel();
 }
 
 bool SecurityKeyAuthHandlerWin::IsValidConnectionId(int connection_id) const {
   DCHECK(thread_checker_.CalledOnValidThread());
   return connection_id != last_connection_id_ &&
          (GetChannelForConnectionId(connection_id) != active_channels_.end());
@@ skipping 68 matching lines @@
 SecurityKeyAuthHandlerWin::GetChannelForConnectionId(int connection_id) const {
   return active_channels_.find(connection_id);
 }
 
 void SecurityKeyAuthHandlerWin::OnChannelConnected() {
   // Create another server to accept the next connection.
   StartIpcServerChannel();
 }
 
 }  // namespace remoting