Make RadioNodeList be NodeList

tools/dom/templates/html/impl/impl_RadioNodeList.darttemplate

Index: tools/dom/templates/html/impl/impl_RadioNodeList.darttemplate
diff --git a/tools/dom/templates/html/dart2js/impl_RTCIceCandidate.darttemplate b/tools/dom/templates/html/impl/impl_RadioNodeList.darttemplate
similarity index 51%
copy from tools/dom/templates/html/dart2js/impl_RTCIceCandidate.darttemplate
copy to tools/dom/templates/html/impl/impl_RadioNodeList.darttemplate
index ce3ebd7b2a99febc428232dc2dd4ad202d1f6783..e1faa65ead37118e0437e83869c6e3a0108adf40 100644
--- a/tools/dom/templates/html/dart2js/impl_RTCIceCandidate.darttemplate
+++ b/tools/dom/templates/html/impl/impl_RadioNodeList.darttemplate
@@ -4,10 +4,13 @@
 
 part of $LIBRARYNAME;
 
+$if DART2JS
+// Omit RadioNodeList for dart2js.  The Dart Form and FieldSet APIs don't
+// currently expose an API the returns RadioNodeList.  The only use of a
+// RadioNodeList is to get the selected value and it will be cleaner to
+// introduce a different API for that purpose.
+$else
 $(ANNOTATIONS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
-  factory $CLASSNAME(Map dictionary) {
-    return JS('RtcIceCandidate', 'new RTCIceCandidate(#)',
-        convertDartToNative_SerializedScriptValue(dictionary));
-  }
 $!MEMBERS
 }
+$endif