Clean up toHTMLFooElement() using DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION

Source/core/html/shadow/HTMLShadowElement.h

Index: Source/core/html/shadow/HTMLShadowElement.h
diff --git a/Source/core/html/shadow/HTMLShadowElement.h b/Source/core/html/shadow/HTMLShadowElement.h
index b9943bd3364e6dfd5719bfd1d49db613c0e63052..53ca8f688c4e1dde2558ccaa2ccf45d5f54fed84 100644
--- a/Source/core/html/shadow/HTMLShadowElement.h
+++ b/Source/core/html/shadow/HTMLShadowElement.h
@@ -49,23 +49,18 @@ private:
     virtual InsertionNotificationRequest insertedInto(ContainerNode* insertionPoint) OVERRIDE;
 };
 
-inline bool isHTMLShadowElement(const Node* node)
+inline bool isHTMLShadowElement(const Node& node)

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

Ditto.

 {
-    ASSERT(node);
-    return node->hasTagName(HTMLNames::shadowTag);
+    return node.hasTagName(HTMLNames::shadowTag);
 }
 
-inline HTMLShadowElement* toHTMLShadowElement(Node* node)
+inline bool isHTMLShadowElement(const Node* node)
 {
-    ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLShadowElement(node));
-    return static_cast<HTMLShadowElement*>(node);
+    ASSERT(node);
+    return node->hasTagName(HTMLNames::shadowTag);
 }
 
-inline const HTMLShadowElement* toHTMLShadowElement(const Node* node)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLShadowElement(node));
-    return static_cast<const HTMLShadowElement*>(node);
-}
+DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(HTMLShadowElement);
 
 inline bool isActiveShadowInsertionPoint(const Node* node)
 {