Fix camino build bustage. Short answer is "just don't do that", I think.

rdf/chrome/src/nsChromeRegistry.cpp

@@ -3126,6 +3126,13 @@ nsChromeRegistry::AllowScriptsForPackage(nsIURI* aChromeURI, PRBool *aResult)
   return NS_OK;
 }
 
+NS_IMETHODIMP
+nsChromeRegistry::AllowContentToAccess(nsIURI*, PRBool *aResult)
+{
+  *aResult = PR_FALSE;
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
 NS_IMETHODIMP
 nsChromeRegistry::CheckForNewChrome()
 {