MD Settings: Certificate manager, implement importing CA certificate.

chrome/browser/resources/settings/certificate_manager_page/certificate_list.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 'settings-certificate-list' is an element that displays a list
  * of certificates.
  */
 Polymer({
   is: 'settings-certificate-list',
@@ skipping 49 matching lines @@
       // a native file chooser dialog.
       return;
     }
 
     // Otherwise propagate the error to the parents, such that a dialog
     // displaying the error will be shown.
     this.fire('certificates-error', error);
   },
 
 
-  /** @private */
-  dispatchImportActionEvent_: function() {
+  /**
+   * @param {?NewCertificateSubNode} subnode
+   * @private
+   */
+  dispatchImportActionEvent_: function(subnode) {
     this.fire(
         settings.CertificateActionEvent,
         /** @type {!CertificateActionEventDetail} */ ({
           action: settings.CertificateAction.IMPORT,
-          subnode: null,
+          subnode: subnode,
           certificateType: this.certificateType,
         }));
   },
 
   /** @private */
   onImportTap_: function() {
     var browserProxy = settings.CertificatesBrowserProxyImpl.getInstance();
     if (this.certificateType == settings.CertificateType.PERSONAL) {
       browserProxy.importPersonalCertificate(false).then(
           function(showPasswordPrompt) {
             if (showPasswordPrompt)
-              this.dispatchImportActionEvent_();
+              this.dispatchImportActionEvent_(null);
           }.bind(this),
           this.onRejected_.bind(this));
     } else if (this.certificateType == settings.CertificateType.CA) {
       browserProxy.importCaCertificate().then(
           function(certificateName) {
-            this.dispatchImportActionEvent_();
+            this.dispatchImportActionEvent_({name: certificateName});
           }.bind(this),
           this.onRejected_.bind(this));
     } else if (this.certificateType == settings.CertificateType.SERVER) {
       browserProxy.importServerCertificate().catch(
           this.onRejected_.bind(this));
     } else {
       assertNotReached();
     }
   },
 });