Add DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION() macro

Source/core/html/HTMLMediaElement.h

Index: Source/core/html/HTMLMediaElement.h
diff --git a/Source/core/html/HTMLMediaElement.h b/Source/core/html/HTMLMediaElement.h
index 65d5f0b06a6905c26c03748ddf07f1e86d94d87d..df5b8bf3d60998cc3f4f5c2b9b1b59d874a860c5 100644
--- a/Source/core/html/HTMLMediaElement.h
+++ b/Source/core/html/HTMLMediaElement.h
@@ -540,17 +540,17 @@ struct ValueToString<TextTrackCue*> {
 };
 #endif
 
-inline bool isHTMLMediaElement(const Node& node)
+inline bool isHTMLMediaElement(const Element& element)
 {
-    return isHTMLAudioElement(node) || isHTMLVideoElement(node);
+    return isHTMLAudioElement(element) || isHTMLVideoElement(element);
 }
 
-inline bool isHTMLMediaElement(const Node* node)
+inline bool isHTMLMediaElement(const HTMLElement& element)
 {
-    return node && isHTMLMediaElement(*node);
+    return isHTMLAudioElement(element) || isHTMLVideoElement(element);
 }
 
-DEFINE_ELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLMediaElement);
+DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLMediaElement);
 
 } //namespace