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

Source/core/layout/svg/LayoutSVGResourceFilterPrimitive.h

Index: Source/core/layout/svg/LayoutSVGResourceFilterPrimitive.h
diff --git a/Source/core/layout/svg/LayoutSVGResourceFilterPrimitive.h b/Source/core/layout/svg/LayoutSVGResourceFilterPrimitive.h
index be3fed3dd4d667fa0dc5d798ed5d80f332b11327..eaad512331fcb5e56055d6a891c30b2c5ec6f6b2 100644
--- a/Source/core/layout/svg/LayoutSVGResourceFilterPrimitive.h
+++ b/Source/core/layout/svg/LayoutSVGResourceFilterPrimitive.h
@@ -38,12 +38,12 @@ public:
     {
     }
 
-    virtual bool isChildAllowed(LayoutObject*, const ComputedStyle&) const override { return false; }
+    bool isChildAllowed(LayoutObject*, const ComputedStyle&) const override { return false; }
 
-    virtual void styleDidChange(StyleDifference, const ComputedStyle*) override;
+    void styleDidChange(StyleDifference, const ComputedStyle*) override;
 
-    virtual const char* name() const override { return "LayoutSVGResourceFilterPrimitive"; }
-    virtual bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectSVGResourceFilterPrimitive || LayoutSVGHiddenContainer::isOfType(type); }
+    const char* name() const override { return "LayoutSVGResourceFilterPrimitive"; }
+    bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectSVGResourceFilterPrimitive || LayoutSVGHiddenContainer::isOfType(type); }
 
     inline void primitiveAttributeChanged(const QualifiedName& attribute)
     {