Remove "named arguments" in domdistiller.js

components/dom_distiller/core/javascript/domdistiller.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Applies DomDistillerJs to the content of the page and returns a
 // DomDistillerResults (as a javascript object/dict).
 (function(options, stringify_output) {
   try {
     function initialize() {
       // This include will be processed at build time by grit.
@@ skipping 15 matching lines @@
 
     if (stringify_output) {
       return JSON.stringify(res);
     }
     return res;
   } catch (e) {
     window.console.error("Error during distillation: " + e);
     if (e.stack != undefined) window.console.error(e.stack);
   }
   return undefined;
-})(options = $$OPTIONS,
-   stringify_output = $$STRINGIFY)
+})($$OPTIONS, $$STRINGIFY)