1 files changed, 7 insertions, 12 deletions
diff --git a/Source/WebCore/html/LabelableElement.h b/Source/WebCore/html/LabelableElement.h
index 014f11127..5e42ba4e7 100644
--- a/Source/WebCore/html/LabelableElement.h
+++ b/Source/WebCore/html/LabelableElement.h
@@ -28,8 +28,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef LabelableElement_h
-#define LabelableElement_h
+#pragma once
 
 #include "HTMLElement.h"
 
@@ -40,23 +39,19 @@ class LabelableElement : public HTMLElement {
 public:
     virtual ~LabelableElement();
 
-    PassRefPtr<NodeList> labels();
+    WEBCORE_EXPORT RefPtr<NodeList> labels();
     virtual bool supportLabels() const { return false; }
 
 protected:
     LabelableElement(const QualifiedName& tagName, Document&);
 
 private:
-    virtual bool isLabelable() const override final { return true; }
+    bool isLabelable() const final { return true; }
 };
 
-void isLabelableElement(const LabelableElement&); // Catch unnecessary runtime check of type known at compile time.
-inline bool isLabelableElement(const HTMLElement& element) { return element.isLabelable(); }
-inline bool isLabelableElement(const Node& node) { return node.isHTMLElement() && toHTMLElement(node).isLabelable(); }
-template <> inline bool isElementOfType<const LabelableElement>(const Element& element) { return isLabelableElement(element); }
-
-NODE_TYPE_CASTS(LabelableElement)
-
 } // namespace WebCore
 
-#endif
+SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::LabelableElement)
+    static bool isType(const WebCore::HTMLElement& element) { return element.isLabelable(); }
+    static bool isType(const WebCore::Node& node) { return is<WebCore::HTMLElement>(node) && isType(downcast<WebCore::HTMLElement>(node)); }
+SPECIALIZE_TYPE_TRAITS_END()