Standardize usage of virtual/override/final in remoting/

remoting/host/local_input_monitor_mac.mm

 // 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.
 
 #include "remoting/host/local_input_monitor.h"
 
 #import <AppKit/AppKit.h>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 25 matching lines @@
     virtual ~EventHandler() {}
 
     virtual void OnLocalMouseMoved(const webrtc::DesktopVector& position) = 0;
     virtual void OnDisconnectShortcut() = 0;
   };
 
   LocalInputMonitorMac(
       scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
       base::WeakPtr<ClientSessionControl> client_session_control);
-  virtual ~LocalInputMonitorMac();
+  ~LocalInputMonitorMac() override;
 
  private:
   // The actual implementation resides in LocalInputMonitorMac::Core class.
   class Core;
   scoped_refptr<Core> core_;
 
   DISALLOW_COPY_AND_ASSIGN(LocalInputMonitorMac);
 };
 
 }  // namespace
@@ skipping 104 matching lines @@
  public:
   Core(scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
        scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
        base::WeakPtr<ClientSessionControl> client_session_control);
 
   void Start();
   void Stop();
 
  private:
   friend class base::RefCountedThreadSafe<Core>;
-  virtual ~Core();
+  ~Core() override;
 
   void StartOnUiThread();
   void StopOnUiThread();
 
   // EventHandler interface.
-  virtual void OnLocalMouseMoved(
-      const webrtc::DesktopVector& position) override;
-  virtual void OnDisconnectShortcut() override;
+  void OnLocalMouseMoved(const webrtc::DesktopVector& position) override;
+  void OnDisconnectShortcut() override;
 
   // Task runner on which public methods of this class must be called.
   scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner_;
 
   // Task runner on which |window_| is created.
   scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
 
   LocalInputMonitorManager* manager_;
 
   // Invoked in the |caller_task_runner_| thread to report local mouse events
@@ skipping 89 matching lines @@
 scoped_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 make_scoped_ptr(new LocalInputMonitorMac(
       caller_task_runner, ui_task_runner, client_session_control));
 }
 
 }  // namespace remoting