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

Source/core/layout/LayoutListMarker.h

Index: Source/core/layout/LayoutListMarker.h
diff --git a/Source/core/layout/LayoutListMarker.h b/Source/core/layout/LayoutListMarker.h
index 76d1b0195ad3b8fcc4f9c890991093e7cf567966..54203a3d69297fdbbd564361bed53eada88f3937 100644
--- a/Source/core/layout/LayoutListMarker.h
+++ b/Source/core/layout/LayoutListMarker.h
@@ -36,8 +36,7 @@ String listMarkerText(EListStyleType, int value);
 class LayoutListMarker final : public LayoutBox {
 public:
     static LayoutListMarker* createAnonymous(LayoutListItem*);
-
-    virtual ~LayoutListMarker();
+    ~LayoutListMarker() override;
 
     const String& text() const { return m_text; }
 
@@ -47,7 +46,7 @@ public:
 
     IntRect getRelativeMarkerRect();
     LayoutRect localSelectionRect();
-    virtual bool isImage() const override;
+    bool isImage() const override;
     const StyleImage* image() { return m_image.get(); }
     const LayoutListItem* listItem() { return m_listItem; }
 
@@ -55,40 +54,40 @@ public:
 
     void listItemStyleDidChange();
 
-    virtual const char* name() const override { return "LayoutListMarker"; }
+    const char* name() const override { return "LayoutListMarker"; }
 
 protected:
-    virtual void willBeDestroyed() override;
+    void willBeDestroyed() override;
 
 private:
     LayoutListMarker(LayoutListItem*);
 
-    virtual void computePreferredLogicalWidths() override;
+    void computePreferredLogicalWidths() override;
 
-    virtual bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectListMarker || LayoutBox::isOfType(type); }
+    bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectListMarker || LayoutBox::isOfType(type); }
 
-    virtual void paint(const PaintInfo&, const LayoutPoint&) override;
+    void paint(const PaintInfo&, const LayoutPoint&) override;
 
-    virtual void layout() override;
+    void layout() override;
 
-    virtual void imageChanged(WrappedImagePtr, const IntRect* = nullptr) override;
+    void imageChanged(WrappedImagePtr, const IntRect* = nullptr) override;
 
-    virtual InlineBox* createInlineBox() override;
+    InlineBox* createInlineBox() override;
 
-    virtual LayoutUnit lineHeight(bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const override;
-    virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const override;
+    LayoutUnit lineHeight(bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const override;
+    int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const override;
 
     bool isText() const { return !isImage(); }
 
-    virtual void setSelectionState(SelectionState) override;
-    virtual LayoutRect selectionRectForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer) const override;
-    virtual bool canBeSelectionLeaf() const override { return true; }
+    void setSelectionState(SelectionState) override;
+    LayoutRect selectionRectForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer) const override;
+    bool canBeSelectionLeaf() const override { return true; }
 
     void updateMargins();
     void updateContent();
 
-    virtual void styleWillChange(StyleDifference, const ComputedStyle& newStyle) override;
-    virtual void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override;
+    void styleWillChange(StyleDifference, const ComputedStyle& newStyle) override;
+    void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override;
 
     String m_text;
     RefPtr<StyleImage> m_image;