WIP: run clang-format-js on lots of things

chrome/browser/resources/print_preview/data/page_number_set.js

 // Copyright (c) 2012 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.
 
 cr.define('print_preview', function() {
   'use strict';
 
   /**
    * An immutable ordered set of page numbers.
    * @param {!Array<number>} pageNumberList A list of page numbers to include
@@ skipping 40 matching lines @@
       return this.pageNumberSet_.indexOf(pageNumber);
     },
 
     /** @return {!Array<number>} Array representation of the set. */
     asArray: function() {
       return this.pageNumberSet_.slice(0);
     },
   };
 
   // Export
-  return {
-    PageNumberSet: PageNumberSet
-  };
+  return {PageNumberSet: PageNumberSet};
 });