Migrate base::TaskRunner from Closure to OnceClosure

remoting/base/auto_thread_task_runner.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_BASE_AUTO_THREAD_TASK_RUNNER_H_
 #define REMOTING_BASE_AUTO_THREAD_TASK_RUNNER_H_
 
 #include <memory>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/single_thread_task_runner.h"
 
 namespace remoting {
 
 // A wrapper around |SingleThreadTaskRunner| that provides automatic lifetime
 // management, by posting a caller-supplied task to the underlying task runner
 // when no more references remain.
 class AutoThreadTaskRunner : public base::SingleThreadTaskRunner {
  public:
   // Constructs an instance of |AutoThreadTaskRunner| wrapping |task_runner|.
   // |stop_task| is posted to |task_runner| when the last reference to
   // the AutoThreadTaskRunner is dropped.
   AutoThreadTaskRunner(scoped_refptr<base::SingleThreadTaskRunner> task_runner,
-                       base::Closure stop_task);
+                       base::OnceClosure stop_task);
 
   // SingleThreadTaskRunner implementation
   bool PostDelayedTask(const tracked_objects::Location& from_here,
-                       base::Closure task,
+                       base::OnceClosure task,
                        base::TimeDelta delay) override;
   bool PostNonNestableDelayedTask(const tracked_objects::Location& from_here,
-                                  base::Closure task,
+                                  base::OnceClosure task,
                                   base::TimeDelta delay) override;
   bool RunsTasksOnCurrentThread() const override;
 
   const scoped_refptr<base::SingleThreadTaskRunner>& task_runner() {
     return task_runner_;
   }
 
  private:
   ~AutoThreadTaskRunner() override;
 
   // Task posted to |task_runner_| to notify the caller that it may be stopped.
-  base::Closure stop_task_;
+  base::OnceClosure stop_task_;
 
   // The wrapped task runner.
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(AutoThreadTaskRunner);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_BASE_AUTO_THREAD_TASK_RUNNER_H_