Update rendering classes to use OVERRIDE / FINAL when needed

Source/core/rendering/RenderRubyBase.h

Index: Source/core/rendering/RenderRubyBase.h
diff --git a/Source/core/rendering/RenderRubyBase.h b/Source/core/rendering/RenderRubyBase.h
index 197aebba5076e2f40bb8c118df6715266bd61c13..800515dda14c13216a13b8c348744110950758e3 100644
--- a/Source/core/rendering/RenderRubyBase.h
+++ b/Source/core/rendering/RenderRubyBase.h
@@ -43,17 +43,17 @@ public:
 
     static RenderRubyBase* createAnonymous(Document*);
 
-    virtual const char* renderName() const { return "RenderRubyBase (anonymous)"; }
+    virtual const char* renderName() const OVERRIDE { return "RenderRubyBase (anonymous)"; }
 
-    virtual bool isRubyBase() const { return true; }
+    virtual bool isRubyBase() const OVERRIDE { return true; }
 
-    virtual bool isChildAllowed(RenderObject*, RenderStyle*) const;
+    virtual bool isChildAllowed(RenderObject*, RenderStyle*) const OVERRIDE;
 
 private:
     RenderRubyBase();
 
-    virtual ETextAlign textAlignmentForLine(bool endsWithSoftBreak) const;
-    virtual void adjustInlineDirectionLineBounds(int expansionOpportunityCount, float& logicalLeft, float& logicalWidth) const;
+    virtual ETextAlign textAlignmentForLine(bool endsWithSoftBreak) const OVERRIDE;
+    virtual void adjustInlineDirectionLineBounds(int expansionOpportunityCount, float& logicalLeft, float& logicalWidth) const OVERRIDE;
 
     virtual bool supportsPartialLayout() const OVERRIDE { return false; }