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

Source/core/svg/SVGTitleElement.h

Index: Source/core/svg/SVGTitleElement.h
diff --git a/Source/core/svg/SVGTitleElement.h b/Source/core/svg/SVGTitleElement.h
index 48f5a740613ff10f0c1f8fe5e31ea53e07d11668..31e97532f5ea6ef5e671a13b70abede658e46c36 100644
--- a/Source/core/svg/SVGTitleElement.h
+++ b/Source/core/svg/SVGTitleElement.h
@@ -33,11 +33,11 @@ public:
 private:
     explicit SVGTitleElement(Document&);
 
-    virtual InsertionNotificationRequest insertedInto(ContainerNode*) override;
-    virtual void removedFrom(ContainerNode*) override;
-    virtual void childrenChanged(const ChildrenChange&) override;
+    InsertionNotificationRequest insertedInto(ContainerNode*) override;
+    void removedFrom(ContainerNode*) override;
+    void childrenChanged(const ChildrenChange&) override;
 
-    virtual bool layoutObjectIsNeeded(const ComputedStyle&) override { return false; }
+    bool layoutObjectIsNeeded(const ComputedStyle&) override { return false; }
 };
 
 } // namespace blink