The scope argument is removed from Context.decompileScript() since

decompilation does not depends on scope.
For compatibility the old signature is preserved as a deprecated method.

js/rhino/src/org/mozilla/javascript/Context.java

@@ -1343,18 +1343,29 @@ public class Context
         }
     }
 
+    /**
+     * @deprecated Use {@link #decompileScript(Script script, int indent)}
+     *             instead.
+     * <p>
+     * The implementation simply calls <tt>decompileScript(script, indent)</tt>
+     * ignoring the scope argument.
+     */
+    public final String decompileScript(Script script, Scriptable scope,
+                                        int indent)
+    {
+        return decompileScript(script, indent);
+    }
+
     /**
      * Decompile the script.
      * <p>
      * The canonical source of the script is returned.
      *
      * @param script the script to decompile
-     * @param scope the scope under which to decompile
      * @param indent the number of spaces to indent the result
      * @return a string representing the script source
      */
-    public final String decompileScript(Script script, Scriptable scope,
-                                        int indent)
+    public final String decompileScript(Script script, int indent)
     {
         NativeFunction scriptImpl = (NativeFunction) script;
         return scriptImpl.decompile(indent, 0);