remove no longer required feature

Author: rbri

src/org/mozilla/javascript/Context.java

@@ -335,15 +335,6 @@ public class Context implements Closeable {
      */
     public static final int FEATURE_HTMLUNIT_FUNCTION_DECLARED_FORWARD_IN_BLOCK = 103;
 
-    /**
-     * Special to HtmlUnit's Rhino fork.
-     *
-     * <p>Indicates that for(x in []) should enumerate the numbers first.
-     *
-     * <p>By default {@link #hasFeature(int)} returns false.
-     */
-    public static final int FEATURE_HTMLUNIT_ENUM_NUMBERS_FIRST = 104;
-
     /**
      * Special to HtmlUnit's Rhino fork.
      *

src/org/mozilla/javascript/ContextFactory.java

@@ -296,9 +296,6 @@ protected boolean hasFeature(Context cx, int featureIndex) {
 
             case Context.FEATURE_HTMLUNIT_FUNCTION_DECLARED_FORWARD_IN_BLOCK:
                 return false;
-
-            case Context.FEATURE_HTMLUNIT_ENUM_NUMBERS_FIRST:
-                return false;
         }
         // It is a bug to call the method with unknown featureIndex
         throw new IllegalArgumentException(String.valueOf(featureIndex));

src/org/mozilla/javascript/ScriptRuntime.java

@@ -2479,25 +2479,6 @@ private static void enumChangeObject(IdEnumeration x) {
                 x.used.intern(previous[i]);
             }
         }
-        if (ids != null
-                && Context.getCurrentContext()
-                        .hasFeature(Context.FEATURE_HTMLUNIT_ENUM_NUMBERS_FIRST)) {
-            Set<Integer> integers = new TreeSet<Integer>();
-            List<Object> others = new ArrayList<Object>();
-            for (Object o : ids) {
-                if (o instanceof Integer) {
-                    integers.add((Integer) o);
-                } else {
-                    others.add(o);
-                }
-            }
-            if (!integers.isEmpty()) {
-                Object[] newIds = new Object[ids.length];
-                System.arraycopy(integers.toArray(), 0, newIds, 0, integers.size());
-                System.arraycopy(others.toArray(), 0, newIds, integers.size(), others.size());
-                ids = newIds;
-            }
-        }
         x.ids = ids;
         x.index = 0;
     }