Standardize usage of virtual/override/final specifiers.

ui/views/widget/desktop_aura/desktop_cursor_loader_updater_auralinux.h

 // Copyright 2013 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 UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_CURSOR_LOADER_UPDATER_AURALINUX_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_CURSOR_LOADER_UPDATER_AURALINUX_H_
 
 #include "base/compiler_specific.h"
 #include "ui/views/widget/desktop_aura/desktop_cursor_loader_updater.h"
 
 namespace views {
 
 // Loads the subset of aura cursors that X11 doesn't provide.
 class DesktopCursorLoaderUpdaterAuraLinux : public DesktopCursorLoaderUpdater {
  public:
   DesktopCursorLoaderUpdaterAuraLinux();
-  virtual ~DesktopCursorLoaderUpdaterAuraLinux();
+  ~DesktopCursorLoaderUpdaterAuraLinux() override;
 
   // Overridden from DesktopCursorLoaderUpdater:
-  virtual void OnCreate(float device_scale_factor,
+  void OnCreate(float device_scale_factor, ui::CursorLoader* loader) override;
+  void OnDisplayUpdated(const gfx::Display& display,
                         ui::CursorLoader* loader) override;
-  virtual void OnDisplayUpdated(const gfx::Display& display,
-                                ui::CursorLoader* loader) override;
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_DISPLAY_CHANGE_HANDLER_AURALINUX_H_