Update rendering classes to use OVERRIDE / FINAL when needed

Source/core/rendering/RenderListMarker.h

Index: Source/core/rendering/RenderListMarker.h
diff --git a/Source/core/rendering/RenderListMarker.h b/Source/core/rendering/RenderListMarker.h
index d0002ffb973e448bc27e6c82523c2594b60e8776..4c3bd374d10d875b40fd8d64b76d5e38cb278eb7 100644
--- a/Source/core/rendering/RenderListMarker.h
+++ b/Source/core/rendering/RenderListMarker.h
@@ -49,34 +49,34 @@ public:
 private:
     RenderListMarker(RenderListItem*);
 
-    virtual const char* renderName() const { return "RenderListMarker"; }
+    virtual const char* renderName() const OVERRIDE { return "RenderListMarker"; }
     virtual void computePreferredLogicalWidths() OVERRIDE;
 
-    virtual bool isListMarker() const { return true; }
+    virtual bool isListMarker() const OVERRIDE { return true; }
 
-    virtual void paint(PaintInfo&, const LayoutPoint&);
+    virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE;
 
-    virtual void layout();
+    virtual void layout() OVERRIDE;
 
-    virtual void imageChanged(WrappedImagePtr, const IntRect* = 0);
+    virtual void imageChanged(WrappedImagePtr, const IntRect* = 0) OVERRIDE;
 
-    virtual InlineBox* createInlineBox();
+    virtual InlineBox* createInlineBox() OVERRIDE;
 
-    virtual LayoutUnit lineHeight(bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const;
-    virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const;
+    virtual LayoutUnit lineHeight(bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const OVERRIDE;
+    virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const OVERRIDE;
 
     bool isImage() const;
     bool isText() const { return !isImage(); }
 
-    virtual void setSelectionState(SelectionState);
+    virtual void setSelectionState(SelectionState) OVERRIDE;
     virtual LayoutRect selectionRectForRepaint(const RenderLayerModelObject* repaintContainer, bool clipToVisibleContent = true) OVERRIDE;
-    virtual bool canBeSelectionLeaf() const { return true; }
+    virtual bool canBeSelectionLeaf() const OVERRIDE { return true; }
 
     void updateMargins();
     void updateContent();
 
-    virtual void styleWillChange(StyleDifference, const RenderStyle* newStyle);
-    virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
+    virtual void styleWillChange(StyleDifference, const RenderStyle* newStyle) OVERRIDE;
+    virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
 
     IntRect getRelativeMarkerRect();
     LayoutRect localSelectionRect();