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

Source/core/html/HTMLAppletElement.h

Index: Source/core/html/HTMLAppletElement.h
diff --git a/Source/core/html/HTMLAppletElement.h b/Source/core/html/HTMLAppletElement.h
index d52ba27b7d6186151db044f55f7ba8df128083af..296ab31c85b202f38c51c4a113df8a6c37eff78d 100644
--- a/Source/core/html/HTMLAppletElement.h
+++ b/Source/core/html/HTMLAppletElement.h
@@ -35,26 +35,26 @@ public:
     static PassRefPtrWillBeRawPtr<HTMLAppletElement> create(Document&, bool createdByParser);
 
 protected:
-    virtual LayoutPart* layoutPartForJSBindings() const override;
+    LayoutPart* layoutPartForJSBindings() const override;
 
 private:
     HTMLAppletElement(Document&, bool createdByParser);
 
-    virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
-    virtual bool isURLAttribute(const Attribute&) const override;
-    virtual bool hasLegalLinkAttribute(const QualifiedName&) const override;
+    void parseAttribute(const QualifiedName&, const AtomicString&) override;
+    bool isURLAttribute(const Attribute&) const override;
+    bool hasLegalLinkAttribute(const QualifiedName&) const override;
 
-    virtual bool layoutObjectIsNeeded(const ComputedStyle&) override;
-    virtual LayoutObject* createLayoutObject(const ComputedStyle&) override;
+    bool layoutObjectIsNeeded(const ComputedStyle&) override;
+    LayoutObject* createLayoutObject(const ComputedStyle&) override;
 
-    virtual LayoutPart* existingLayoutPart() const override;
-    virtual void updateWidgetInternal() override;
+    LayoutPart* existingLayoutPart() const override;
+    void updateWidgetInternal() override;
 
     bool canEmbedJava() const;
     bool canEmbedURL(const KURL&) const;
 
-    virtual bool shouldRegisterAsNamedItem() const override { return true; }
-    virtual bool shouldRegisterAsExtraNamedItem() const override { return true; }
+    bool shouldRegisterAsNamedItem() const override { return true; }
+    bool shouldRegisterAsExtraNamedItem() const override { return true; }
 };
 
 } // namespace blink