changed the way map attributes into is connected

layout/html/content/src/nsCommentNode.cpp

@@ -19,6 +19,7 @@
 #include "nsHTMLContainer.h"
 #include "nsFrame.h"
 #include "nsHTMLIIDs.h"
+#include "nsGenericHTMLElement.h"
 
 // XXX rework this
 
@@ -33,6 +34,8 @@ public:
                          nsIStyleContext* aStyleContext,
                          nsIFrame*&       aResult);
 
+  NS_IMETHOD GetAttributeMappingFunction(nsMapAttributesFunc& aMapFunc) const;
+
   NS_IMETHOD List(FILE* out, PRInt32 aIndent) const;
 
 protected:
@@ -91,6 +94,22 @@ nsCommentNode::List(FILE* out, PRInt32 aIndent) const
   return NS_OK;
 }
 
+static void
+MapAttributesInto(nsIHTMLAttributes* aAttributes,
+                  nsIStyleContext* aContext,
+                  nsIPresContext* aPresContext)
+{
+  nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aContext, aPresContext);
+}
+
+NS_IMETHODIMP
+nsCommentNode::GetAttributeMappingFunction(nsMapAttributesFunc& aMapFunc) const
+{
+  aMapFunc = &MapAttributesInto;
+  return NS_OK;
+}
+
+
 nsresult
 NS_NewCommentNode(nsIHTMLContent** aInstancePtrResult,
                   nsIAtom* aTag, const nsString& aComment)