Standardize usage of virtual/override/final specifiers.

ui/views/widget/desktop_aura/desktop_screen_x11.h

 // Copyright (c) 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_SCREEN_X11_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_SCREEN_X11_H_
 
 #include "base/timer/timer.h"
 #include "ui/events/platform/platform_event_dispatcher.h"
 #include "ui/gfx/display_change_notifier.h"
@@ skipping 10 matching lines @@
 
 namespace views {
 class DesktopScreenX11Test;
 
 // Our singleton screen implementation that talks to xrandr.
 class VIEWS_EXPORT DesktopScreenX11 : public gfx::Screen,
                                       public ui::PlatformEventDispatcher {
  public:
   DesktopScreenX11();
 
-  virtual ~DesktopScreenX11();
+  ~DesktopScreenX11() override;
 
   // Overridden from gfx::Screen:
-  virtual gfx::Point GetCursorScreenPoint() override;
-  virtual gfx::NativeWindow GetWindowUnderCursor() override;
-  virtual gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point)
-      override;
-  virtual int GetNumDisplays() const override;
-  virtual std::vector<gfx::Display> GetAllDisplays() const override;
-  virtual gfx::Display GetDisplayNearestWindow(
-      gfx::NativeView window) const override;
-  virtual gfx::Display GetDisplayNearestPoint(
-      const gfx::Point& point) const override;
-  virtual gfx::Display GetDisplayMatching(
-      const gfx::Rect& match_rect) const override;
-  virtual gfx::Display GetPrimaryDisplay() const override;
-  virtual void AddObserver(gfx::DisplayObserver* observer) override;
-  virtual void RemoveObserver(gfx::DisplayObserver* observer) override;
+  gfx::Point GetCursorScreenPoint() override;
+  gfx::NativeWindow GetWindowUnderCursor() override;
+  gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point) override;
+  int GetNumDisplays() const override;
+  std::vector<gfx::Display> GetAllDisplays() const override;
+  gfx::Display GetDisplayNearestWindow(gfx::NativeView window) const override;
+  gfx::Display GetDisplayNearestPoint(const gfx::Point& point) const override;
+  gfx::Display GetDisplayMatching(const gfx::Rect& match_rect) const override;
+  gfx::Display GetPrimaryDisplay() const override;
+  void AddObserver(gfx::DisplayObserver* observer) override;
+  void RemoveObserver(gfx::DisplayObserver* observer) override;
 
   // ui::PlatformEventDispatcher:
-  virtual bool CanDispatchEvent(const ui::PlatformEvent& event) override;
-  virtual uint32_t DispatchEvent(const ui::PlatformEvent& event) override;
+  bool CanDispatchEvent(const ui::PlatformEvent& event) override;
+  uint32_t DispatchEvent(const ui::PlatformEvent& event) override;
 
  private:
   friend class DesktopScreenX11Test;
 
   // Constructor used in tests.
   DesktopScreenX11(const std::vector<gfx::Display>& test_displays);
 
   // Builds a list of displays from the current screen information offered by
   // the X server.
   std::vector<gfx::Display> BuildDisplaysFromXRandRInfo();
@@ skipping 19 matching lines @@
   scoped_ptr<base::OneShotTimer<DesktopScreenX11> > configure_timer_;
 
   gfx::DisplayChangeNotifier change_notifier_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopScreenX11);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_SCREEN_X11_H_