Standardize usage of virtual/override/final specifiers.

ash/wm/cursor_manager_chromeos.h

Index: ash/wm/cursor_manager_chromeos.h
diff --git a/ash/wm/cursor_manager_chromeos.h b/ash/wm/cursor_manager_chromeos.h
index ea81e54ccff82f3fa1654cc560841db767908d2b..70c121e8a22ee11aa7dd102a668314f3d11ed978 100644
--- a/ash/wm/cursor_manager_chromeos.h
+++ b/ash/wm/cursor_manager_chromeos.h
@@ -29,11 +29,11 @@ class ASH_EXPORT CursorManager : public ::wm::CursorManager {
  public:
   explicit CursorManager(
       scoped_ptr< ::wm::NativeCursorManager> delegate);
-  virtual ~CursorManager();
+  ~CursorManager() override;
 
   // aura::client::CursorClient:
-  virtual bool ShouldHideCursorOnKeyEvent(
-      const ui::KeyEvent& event) const override;
+  bool ShouldHideCursorOnKeyEvent(const ui::KeyEvent& event) const override;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(CursorManager);
 };