Replace FINAL and OVERRIDE with their C++11 counterparts in Source/core/dom

Source/core/dom/CDATASection.h

Index: Source/core/dom/CDATASection.h
diff --git a/Source/core/dom/CDATASection.h b/Source/core/dom/CDATASection.h
index 34fc6b05d2f118435ef05f4c5b4548f50a7965c8..3532e989fab95ed8e19b507e9567fe7c3f3f4f2c 100644
--- a/Source/core/dom/CDATASection.h
+++ b/Source/core/dom/CDATASection.h
@@ -27,7 +27,7 @@
 
 namespace blink {
 
-class CDATASection FINAL : public Text {
+class CDATASection final : public Text {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<CDATASection> create(Document&, const String&);
@@ -35,9 +35,9 @@ public:
 private:
     CDATASection(Document&, const String&);
 
-    virtual String nodeName() const OVERRIDE;
-    virtual NodeType nodeType() const OVERRIDE;
-    virtual PassRefPtrWillBeRawPtr<Text> cloneWithData(const String&) OVERRIDE;
+    virtual String nodeName() const override;
+    virtual NodeType nodeType() const override;
+    virtual PassRefPtrWillBeRawPtr<Text> cloneWithData(const String&) override;
 };
 
 DEFINE_NODE_TYPE_CASTS(CDATASection, nodeType() == Node::CDATA_SECTION_NODE);