Smaller vtbls in RenderObject

Source/core/rendering/svg/RenderSVGResourceContainer.h

Index: Source/core/rendering/svg/RenderSVGResourceContainer.h
diff --git a/Source/core/rendering/svg/RenderSVGResourceContainer.h b/Source/core/rendering/svg/RenderSVGResourceContainer.h
index 789c42bf1dd3e44e0d7166a3e5f279d6ec69b8cf..780f503e9cdf7776016433028aaaeef4372f5099 100644
--- a/Source/core/rendering/svg/RenderSVGResourceContainer.h
+++ b/Source/core/rendering/svg/RenderSVGResourceContainer.h
@@ -39,8 +39,7 @@ public:
 
     virtual void layout() override;
     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override final;
-
-    virtual bool isSVGResourceContainer() const override final { return true; }
+    virtual bool isOfType(RenderObjectType type) const override { return type == RenderObjectSVGResourceContainer || RenderSVGHiddenContainer::isOfType(type); }
 
     void idChanged();
     void addClientRenderLayer(Node*);