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/HTMLAllCollection.cpp

@@ -160,12 +160,8 @@ HTMLAllCollection::NamedGetter(const nsAString& aID,
 }
 
 void
-HTMLAllCollection::GetSupportedNames(unsigned aFlags, nsTArray<nsString>& aNames)
+HTMLAllCollection::GetSupportedNames(nsTArray<nsString>& aNames)
 {
-  if (!(aFlags & JSITER_HIDDEN)) {
-    return;
-  }
-
   // XXXbz this is very similar to nsContentList::GetSupportedNames,
   // but has to check IsAllNamedElement for the name case.
   AutoTArray<nsIAtom*, 8> atoms;