MD Settings: Restore focus after closing dialogs, for certificate page.

chrome/browser/resources/settings/certificate_manager_page/certificate_manager_types.js

 // Copyright 2016 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.
 
 /**
  * @fileoverview Closure compiler typedefs.
  */
 
 /**
- * The payload of the certificate-action event that is emitted from this
- * component.
+ * The payload of the 'certificate-action' event.
  * @typedef {{
  *   action: !CertificateAction,
  *   subnode: (null|CertificateSubnode|NewCertificateSubNode),
- *   certificateType: !CertificateType
+ *   certificateType: !CertificateType,
+ *   anchor: !HTMLElement
  * }}
  */
 var CertificateActionEventDetail;
 
 /**
+ * The payload of the 'certificates-error' event.
+ * @typedef {{
+ *   error: (null|CertificatesError|CertificatesImportError),
+ *   anchor: ?HTMLElement
+ * }}
+ */
+var CertificatesErrorEventDetail;
+
+/**
  * Enumeration of actions that require a popup menu to be shown to the user.
  * @enum {number}
  */
 var CertificateAction = {
   DELETE: 0,
   EDIT: 1,
   EXPORT_PERSONAL: 2,
   IMPORT: 3,
 };