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

Source/core/html/LinkDefaultPresentation.h

Index: Source/core/html/LinkDefaultPresentation.h
diff --git a/Source/core/html/LinkDefaultPresentation.h b/Source/core/html/LinkDefaultPresentation.h
index 538f0c186338edc3fc79af8cf3945983dcfa7f06..807985583d565c3af80aa7c2caf136d9629efb06 100644
--- a/Source/core/html/LinkDefaultPresentation.h
+++ b/Source/core/html/LinkDefaultPresentation.h
@@ -22,13 +22,13 @@ public:
 
     static PassOwnPtrWillBeRawPtr<LinkDefaultPresentation> create(HTMLLinkElement* owner);
 
-    virtual ~LinkDefaultPresentation();
+    ~LinkDefaultPresentation() override;
 
     // LinkResource
-    virtual void process() override;
-    virtual Type type() const override { return Manifest; }
-    virtual bool hasLoaded() const override;
-    virtual void ownerRemoved() override;
+    void process() override;
+    Type type() const override { return Manifest; }
+    bool hasLoaded() const override;
+    void ownerRemoved() override;
 
 private:
     explicit LinkDefaultPresentation(HTMLLinkElement* owner);