Apply content-security-policy to the HTML options page. This is a

chrome/browser/resources/shared/js/options/inline_editable_list.js

 // Copyright (c) 2010 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('options', function() {
   const DeletableItem = options.DeletableItem;
   const DeletableItemList = options.DeletableItemList;
 
   /**
    * Creates a new list item with support for inline editing.
@@ skipping 346 matching lines @@
       }
     },
   };
 
   // Export
   return {
     InlineEditableItem: InlineEditableItem,
     InlineEditableItemList: InlineEditableItemList,
   };
 });