Deprecate NonThreadSafe in remoting in favor of SequenceChecker.

remoting/host/win/wts_session_process_delegate.cc

 // Copyright (c) 2012 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.
 //
 // This file implements the Windows service controlling Me2Me host processes
 // running within user sessions.
 
 #include "remoting/host/win/wts_session_process_delegate.h"
 
 #include <memory>
@@ skipping 573 matching lines @@
 WtsSessionProcessDelegate::WtsSessionProcessDelegate(
     scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
     std::unique_ptr<base::CommandLine> target_command,
     bool launch_elevated,
     const std::string& channel_security) {
   core_ = new Core(io_task_runner, std::move(target_command), launch_elevated,
                    channel_security);
 }
 
 WtsSessionProcessDelegate::~WtsSessionProcessDelegate() {
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
   core_->Stop();
 }
 
 bool WtsSessionProcessDelegate::Initialize(uint32_t session_id) {
   return core_->Initialize(session_id);
 }
 
 void WtsSessionProcessDelegate::LaunchProcess(
     WorkerProcessLauncher* event_handler) {
   core_->LaunchProcess(event_handler);
 }
 
 void WtsSessionProcessDelegate::Send(IPC::Message* message) {
   core_->Send(message);
 }
 
 void WtsSessionProcessDelegate::CloseChannel() {
   core_->CloseChannel();
 }
 
 void WtsSessionProcessDelegate::KillProcess() {
   core_->KillProcess();
 }
 
 }  // namespace remoting