Fix virtual/override/final usage in Source/core/layout/.

Source/core/layout/svg/LayoutSVGResourceFilter.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * Copyright (C) 2005 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 52 matching lines @@
     RefPtrWillBeMember<SVGFilterBuilder> builder;
     FilterDataState m_state;
 
 private:
     FilterData() : m_state(Initial) { }
 };
 
 class LayoutSVGResourceFilter final : public LayoutSVGResourceContainer {
 public:
     explicit LayoutSVGResourceFilter(SVGFilterElement*);
+    ~LayoutSVGResourceFilter() override;
 
-    virtual ~LayoutSVGResourceFilter();
+    bool isChildAllowed(LayoutObject*, const ComputedStyle&) const override;
 
-    virtual bool isChildAllowed(LayoutObject*, const ComputedStyle&) const override;
+    const char* name() const override { return "LayoutSVGResourceFilter"; }
+    bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectSVGResourceFilter || LayoutSVGResourceContainer::isOfType(type); }
 
-    virtual const char* name() const override { return "LayoutSVGResourceFilter"; }
-    virtual bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectSVGResourceFilter || LayoutSVGResourceContainer::isOfType(type); }
-
-    virtual void removeAllClientsFromCache(bool markForInvalidation = true) override;
-    virtual void removeClientFromCache(LayoutObject*, bool markForInvalidation = true) override;
+    void removeAllClientsFromCache(bool markForInvalidation = true) override;
+    void removeClientFromCache(LayoutObject*, bool markForInvalidation = true) override;
 
     FloatRect resourceBoundingBox(const LayoutObject*);
 
     PassRefPtrWillBeRawPtr<SVGFilterBuilder> buildPrimitives(SVGFilter*);
 
     SVGUnitTypes::SVGUnitType filterUnits() const { return toSVGFilterElement(element())->filterUnits()->currentValue()->enumValue(); }
     SVGUnitTypes::SVGUnitType primitiveUnits() const { return toSVGFilterElement(element())->primitiveUnits()->currentValue()->enumValue(); }
 
     void primitiveAttributeChanged(LayoutObject*, const QualifiedName&);
 
     static const LayoutSVGResourceType s_resourceType = FilterResourceType;
-    virtual LayoutSVGResourceType resourceType() const override { return s_resourceType; }
+    LayoutSVGResourceType resourceType() const override { return s_resourceType; }
 
     FilterData* getFilterDataForLayoutObject(LayoutObject* object) { return m_filter.get(object); }
     void setFilterDataForLayoutObject(LayoutObject* object, PassOwnPtrWillBeRawPtr<FilterData> filterData) { m_filter.set(object, filterData); }
 
 protected:
-    virtual void willBeDestroyed() override;
+    void willBeDestroyed() override;
 
 private:
     void disposeFilterMap();
 
     using FilterMap = WillBePersistentHeapHashMap<LayoutObject*, OwnPtrWillBeMember<FilterData>>;
     FilterMap m_filter;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGResourceFilter, isSVGResourceFilter());
 
 }
 
 #endif