Remove base::NonThreadSafe now that all users are gone!!

remoting/host/local_input_monitor_chromeos.cc

 // Copyright 2014 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/local_input_monitor.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/single_thread_task_runner.h"
-#include "base/threading/non_thread_safe.h"
 #include "remoting/host/chromeos/point_transformer.h"
 #include "remoting/host/client_session_control.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 #include "ui/events/platform/platform_event_observer.h"
 #include "ui/events/platform/platform_event_source.h"
 
 namespace remoting {
@@ skipping 120 matching lines @@
 std::unique_ptr<LocalInputMonitor> LocalInputMonitor::Create(
     scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
     base::WeakPtr<ClientSessionControl> client_session_control) {
   return base::WrapUnique(new LocalInputMonitorChromeos(
       caller_task_runner, input_task_runner, client_session_control));
 }
 
 }  // namespace remoting