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

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

 // Copyright (c) 2011 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 OptionsPage = options.OptionsPage;
 
   /**
    * CertificateEditCaTrustOverlay class
    * Encapsulated handling of the 'edit ca trust' and 'import ca' overlay pages.
@@ skipping 144 matching lines @@
 
   CertificateEditCaTrustOverlay.dismiss = function() {
     CertificateEditCaTrustOverlay.getInstance().dismissOverlay_();
   };
 
   // Export
   return {
     CertificateEditCaTrustOverlay: CertificateEditCaTrustOverlay
   };
 });