Reduce how often LayoutSVGShape::updateShapeFromElement is called

Source/core/layout/svg/LayoutSVGRect.h

Index: Source/core/layout/svg/LayoutSVGRect.h
diff --git a/Source/core/layout/svg/LayoutSVGRect.h b/Source/core/layout/svg/LayoutSVGRect.h
index 184aea0a717e24c43b205af5962812bb3910e8b1..ce263f52ad69bd0e5b40ec9e1bfed56e531dfc3f 100644
--- a/Source/core/layout/svg/LayoutSVGRect.h
+++ b/Source/core/layout/svg/LayoutSVGRect.h
@@ -42,11 +42,13 @@ public:
     virtual const char* name() const override { return "LayoutSVGRect"; }
 
 private:
-    virtual void updateShapeFromElement() override;
+    void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override;
+    void updateShapeFromElement() override;
+    void updateStrokeAndFillBoundingBoxes() override;
     virtual bool isShapeEmpty() const override { return m_usePathFallback ? LayoutSVGShape::isShapeEmpty() : m_fillBoundingBox.isEmpty(); }
     virtual bool shapeDependentStrokeContains(const FloatPoint&) override;
     virtual bool shapeDependentFillContains(const FloatPoint&, const WindRule) const override;
-    bool definitelyHasSimpleStroke() const;
+    bool definitelyHasSimpleStroke(const SVGComputedStyle&) const;
 
 private:
     bool m_usePathFallback;