Update remaining HTML classes to use OVERRIDE / FINAL when needed

Source/core/html/shadow/ProgressShadowElement.h

Index: Source/core/html/shadow/ProgressShadowElement.h
diff --git a/Source/core/html/shadow/ProgressShadowElement.h b/Source/core/html/shadow/ProgressShadowElement.h
index b375fcc88d7b48d6fc96a897d01506eb030977a5..658b40fd74381761b6fa2ed84a8593150ec4fec5 100644
--- a/Source/core/html/shadow/ProgressShadowElement.h
+++ b/Source/core/html/shadow/ProgressShadowElement.h
@@ -45,7 +45,7 @@ public:
     HTMLProgressElement* progressElement() const;
 
 protected:
-    virtual bool rendererIsNeeded(const RenderStyle&);
+    virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE;
 };
 
 class ProgressInnerElement FINAL : public ProgressShadowElement {
@@ -56,7 +56,7 @@ private:
     ProgressInnerElement(Document&);
 
     virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE;
-    virtual bool rendererIsNeeded(const RenderStyle&);
+    virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE;
 };
 
 inline PassRefPtr<ProgressInnerElement> ProgressInnerElement::create(Document& document)