Clean up toHTMLFooElement() using DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION

Source/core/html/HTMLTextAreaElement.h

Index: Source/core/html/HTMLTextAreaElement.h
diff --git a/Source/core/html/HTMLTextAreaElement.h b/Source/core/html/HTMLTextAreaElement.h
index ecbdf1e12a4c14e83682c3204ae76ca92a1ae4f8..bc225131ff0bfde19baae4ae0cc17acb68d9bf45 100644
--- a/Source/core/html/HTMLTextAreaElement.h
+++ b/Source/core/html/HTMLTextAreaElement.h
@@ -134,17 +134,18 @@ inline bool isHTMLTextAreaElement(const Node* node)
     return node->hasTagName(HTMLNames::textareaTag);
 }
 
-inline bool isHTMLTextAreaElement(const Element* element)
+inline bool isHTMLTextAreaElement(const Node& node)

[tkent, 2013/10/24 01:22:32]

Ditto.

 {
-    return element->hasTagName(HTMLNames::textareaTag);
+    return node.hasTagName(HTMLNames::textareaTag);
 }
 
-inline HTMLTextAreaElement* toHTMLTextAreaElement(Node* node)
+inline bool isHTMLTextAreaElement(const Element* element)
 {
-    ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLTextAreaElement(node));
-    return static_cast<HTMLTextAreaElement*>(node);
+    return element->hasTagName(HTMLNames::textareaTag);
 }
 
+DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(HTMLTextAreaElement);
+
 } //namespace
 
 #endif