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

Source/core/dom/DOMDataView.h

Index: Source/core/dom/DOMDataView.h
diff --git a/Source/core/dom/DOMDataView.h b/Source/core/dom/DOMDataView.h
index 68f335a0b70751e716f96f064dc8bcd6f6894705..7813ccd4512b8df3c905f1706938914ced83228a 100644
--- a/Source/core/dom/DOMDataView.h
+++ b/Source/core/dom/DOMDataView.h
@@ -16,8 +16,8 @@ public:
 
     static PassRefPtr<DOMDataView> create(PassRefPtr<DOMArrayBufferBase>, unsigned byteOffset, unsigned byteLength);
 
-    virtual v8::Local<v8::Object> wrap(v8::Isolate*, v8::Local<v8::Object> creationContext) override;
-    virtual v8::Local<v8::Object> associateWithWrapper(v8::Isolate*, const WrapperTypeInfo*, v8::Local<v8::Object> wrapper) override;
+    v8::Local<v8::Object> wrap(v8::Isolate*, v8::Local<v8::Object> creationContext) override;
+    v8::Local<v8::Object> associateWithWrapper(v8::Isolate*, const WrapperTypeInfo*, v8::Local<v8::Object> wrapper) override;
 
 private:
     DOMDataView(PassRefPtr<WTF::ArrayBufferView> dataView, PassRefPtr<DOMArrayBufferBase> domArrayBuffer)