Fix virtual/override/final usage in Source/modules/.

Source/modules/accessibility/AXMenuListPopup.h

 /*
  * Copyright (C) 2010 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 20 matching lines @@
 namespace blink {
 
 class AXObjectCacheImpl;
 class AXMenuListOption;
 class HTMLElement;
 
 class AXMenuListPopup final : public AXMockObject {
 public:
     static PassRefPtrWillBeRawPtr<AXMenuListPopup> create(AXObjectCacheImpl& axObjectCache) { return adoptRefWillBeNoop(new AXMenuListPopup(axObjectCache)); }
 
-    virtual bool isEnabled() const override;
-    virtual bool isOffScreen() const override;
+    bool isEnabled() const override;
+    bool isOffScreen() const override;
 
     void didUpdateActiveOption(int optionIndex);
     void didShow();
     void didHide();
     AXObject* activeChild();
 
 private:
     explicit AXMenuListPopup(AXObjectCacheImpl&);
 
-    virtual bool isMenuListPopup() const override { return true; }
+    bool isMenuListPopup() const override { return true; }
 
-    virtual LayoutRect elementRect() const override { return LayoutRect(); }
-    virtual AccessibilityRole roleValue() const override { return MenuListPopupRole; }
+    LayoutRect elementRect() const override { return LayoutRect(); }
+    AccessibilityRole roleValue() const override { return MenuListPopupRole; }
 
-    virtual bool isVisible() const override;
-    virtual bool press() const override;
-    virtual void addChildren() override;
-    virtual void updateChildrenIfNecessary() override;
-    virtual bool computeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override;
+    bool isVisible() const override;
+    bool press() const override;
+    void addChildren() override;
+    void updateChildrenIfNecessary() override;
+    bool computeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override;
 
     AXMenuListOption* menuListOptionAXObject(HTMLElement*) const;
     int getSelectedIndex() const;
 
     // Note that this may be -1 if nothing is selected.
     int m_activeIndex;
 };
 
 DEFINE_AX_OBJECT_TYPE_CASTS(AXMenuListPopup, isMenuListPopup());
 
 } // namespace blink
 
 #endif // AXMenuListPopup_h