Smaller vtbls in RenderObject

Source/core/rendering/svg/RenderSVGResourceFilterPrimitive.h

 /*
  * Copyright (C) 2010 University of Szeged
  * Copyright (C) 2010 Zoltan Herczeg
  *
  * 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
@@ skipping 25 matching lines @@
     explicit RenderSVGResourceFilterPrimitive(SVGElement* filterPrimitiveElement)
         : RenderSVGHiddenContainer(filterPrimitiveElement)
     {
     }
 
     virtual bool isChildAllowed(RenderObject*, RenderStyle*) const override { return false; }
 
     virtual void styleDidChange(StyleDifference, const RenderStyle*) override;
 
     virtual const char* renderName() const override { return "RenderSVGResourceFilterPrimitive"; }
-    virtual bool isSVGResourceFilterPrimitive() const override { return true; }
+    virtual bool isOfType(RenderObjectType type) const override { return type == RenderObjectSVGResourceFilterPrimitive || RenderSVGHiddenContainer::isOfType(type); }
 
     inline void primitiveAttributeChanged(const QualifiedName& attribute)
     {
         RenderObject* filter = parent();
         if (!filter || !filter->isSVGResourceFilter())
             return;
         toRenderSVGResourceFilter(filter)->primitiveAttributeChanged(this, attribute);
     }
 };
 
 } // namespace blink
 
 #endif // RenderSVGResourceFilterPrimitive_h