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

Source/core/layout/LayoutReplica.h

Index: Source/core/layout/LayoutReplica.h
diff --git a/Source/core/layout/LayoutReplica.h b/Source/core/layout/LayoutReplica.h
index 9f801bdf1204d38857f96179ec049d6405e86a2b..bfe756496e3a41ff7da681b0e6abb2577d414181 100644
--- a/Source/core/layout/LayoutReplica.h
+++ b/Source/core/layout/LayoutReplica.h
@@ -36,22 +36,21 @@ namespace blink {
 class LayoutReplica final : public LayoutBox {
 public:
     static LayoutReplica* createAnonymous(Document*);
+    ~LayoutReplica() override;
 
-    virtual ~LayoutReplica();
+    const char* name() const override { return "LayoutReplica"; }
 
-    virtual const char* name() const override { return "LayoutReplica"; }
+    DeprecatedPaintLayerType layerTypeRequired() const override { return NormalDeprecatedPaintLayer; }
 
-    virtual DeprecatedPaintLayerType layerTypeRequired() const override { return NormalDeprecatedPaintLayer; }
+    void layout() override;
 
-    virtual void layout() override;
-
-    virtual void paint(const PaintInfo&, const LayoutPoint&) override;
+    void paint(const PaintInfo&, const LayoutPoint&) override;
 
 private:
     LayoutReplica();
 
-    virtual bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectReplica || LayoutBox::isOfType(type); }
-    virtual void computePreferredLogicalWidths() override;
+    bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectReplica || LayoutBox::isOfType(type); }
+    void computePreferredLogicalWidths() override;
 
 };