Deprecate NonThreadSafe in remoting in favor of SequenceChecker.

remoting/host/win/unprivileged_process_delegate.h

 // 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.
 
 #ifndef REMOTING_HOST_WIN_UNPRIVILEGED_PROCESS_DELEGATE_H_
 #define REMOTING_HOST_WIN_UNPRIVILEGED_PROCESS_DELEGATE_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/threading/non_thread_safe.h"
+#include "base/sequence_checker.h"
 #include "base/win/scoped_handle.h"
 #include "ipc/ipc_listener.h"
 #include "remoting/host/win/worker_process_launcher.h"
 
 namespace base {
 class CommandLine;
 class SingleThreadTaskRunner;
 } // namespace base
 
 namespace IPC {
 class ChannelProxy;
 class Message;
 } // namespace IPC
 
 namespace remoting {
 
 // Implements logic for launching and monitoring a worker process under a less
 // privileged user account.
-class UnprivilegedProcessDelegate
-    : public base::NonThreadSafe,
-      public IPC::Listener,
-      public WorkerProcessLauncher::Delegate {
+class UnprivilegedProcessDelegate : public IPC::Listener,
+                                    public WorkerProcessLauncher::Delegate {
  public:
   UnprivilegedProcessDelegate(
       scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
       std::unique_ptr<base::CommandLine> target_command);
   ~UnprivilegedProcessDelegate() override;
 
   // WorkerProcessLauncher::Delegate implementation.
   void LaunchProcess(WorkerProcessLauncher* event_handler) override;
   void Send(IPC::Message* message) override;
   void CloseChannel() override;
@@ skipping 16 matching lines @@
 
   // The server end of the IPC channel used to communicate to the worker
   // process.
   std::unique_ptr<IPC::ChannelProxy> channel_;
 
   WorkerProcessLauncher* event_handler_;
 
   // The handle of the worker process, if launched.
   base::win::ScopedHandle worker_process_;
 
+  SEQUENCE_CHECKER(sequence_checker_);
+
   DISALLOW_COPY_AND_ASSIGN(UnprivilegedProcessDelegate);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_WIN_UNPRIVILEGED_PROCESS_DELEGATE_H_