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

Source/core/layout/svg/line/SVGInlineFlowBox.h

Index: Source/core/layout/svg/line/SVGInlineFlowBox.h
diff --git a/Source/core/layout/svg/line/SVGInlineFlowBox.h b/Source/core/layout/svg/line/SVGInlineFlowBox.h
index 2c78b2002b64c5a3112b6af37777e5bb039a2ce4..f1c809fe2a35e7fa5a6876672ff22efb86ddcd19 100644
--- a/Source/core/layout/svg/line/SVGInlineFlowBox.h
+++ b/Source/core/layout/svg/line/SVGInlineFlowBox.h
@@ -33,13 +33,13 @@ public:
     {
     }
 
-    virtual bool isSVGInlineFlowBox() const override { return true; }
-    virtual LayoutUnit virtualLogicalHeight() const override { return m_logicalHeight; }
+    bool isSVGInlineFlowBox() const override { return true; }
+    LayoutUnit virtualLogicalHeight() const override { return m_logicalHeight; }
     void setLogicalHeight(LayoutUnit h) { m_logicalHeight = h; }
 
-    virtual void paint(const PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom) override;
+    void paint(const PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom) override;
 
-    virtual LayoutRect calculateBoundaries() const override;
+    LayoutRect calculateBoundaries() const override;
 
 private:
     LayoutUnit m_logicalHeight;