Clean up toHTMLFooElement() using DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION

Source/core/html/HTMLProgressElement.h

Index: Source/core/html/HTMLProgressElement.h
diff --git a/Source/core/html/HTMLProgressElement.h b/Source/core/html/HTMLProgressElement.h
index e9f624e4342f8b638b661ca50a7472c23898058e..f2d6016ba0e64213947b15af4e063726b5b8739a 100644
--- a/Source/core/html/HTMLProgressElement.h
+++ b/Source/core/html/HTMLProgressElement.h
@@ -68,18 +68,24 @@ private:
     ProgressValueElement* m_value;
 };
 
+inline bool isHTMLProgressElement(const Node& node)

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

Ditto.

+{
+    return node.hasTagName(HTMLNames::progressTag);
+}
+
 inline bool isHTMLProgressElement(Node* node)
 {
     ASSERT(node);
     return node->hasTagName(HTMLNames::progressTag);
 }
 
-inline HTMLProgressElement* toHTMLProgressElement(Node* node)
+inline bool isHTMLProgressElement(Node& node)
 {
-    ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLProgressElement(node));
-    return static_cast<HTMLProgressElement*>(node);
+    return node.hasTagName(HTMLNames::progressTag);
 }
 
+DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(HTMLProgressElement);
+
 } // namespace
 
 #endif