Bug 1270349 part 5. Use LegacyUnenumerableNamedProperties instead of passing flags to GetSupportedNames to determine whether named props on DOM proxies should be reflected in ownPropertyKeys. r=peterv

dom/html/HTMLOptionsCollection.cpp

@@ -280,13 +280,8 @@ HTMLOptionsCollection::NamedItem(const nsAString& aName,
 }
 
 void
-HTMLOptionsCollection::GetSupportedNames(unsigned aFlags,
-                                         nsTArray<nsString>& aNames)
+HTMLOptionsCollection::GetSupportedNames(nsTArray<nsString>& aNames)
 {
-  if (!(aFlags & JSITER_HIDDEN)) {
-    return;
-  }
-
   AutoTArray<nsIAtom*, 8> atoms;
   for (uint32_t i = 0; i < mElements.Length(); ++i) {
     HTMLOptionElement* content = mElements.ElementAt(i);