Refactors parse_html_subset() into i18n_behavior.

chrome/browser/resources/md_user_manager/supervised_user_create_confirm.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 'supervised-user-create-confirm' is a page that is displayed
  * upon successful creation of a supervised user. It contains information for
  * the custodian on where to configure browsing restrictions as well as how to
  * exit and childlock their profile.
  */
@@ skipping 80 matching lines @@
    * @param {?ProfileInfo} profileInfo
    * @return {string}
    * @private
    */
   titleText_: function(profileInfo) {
     return this.i18n('supervisedUserCreatedTitle',
                      this.elideProfileName_(profileInfo));
   },
 
   /**
-   * Sanitizes HTML so that insecure HTML/Javascript won't be set as innerHTML.
-   * @param {string} html
-   * @return {string}
-   * @private
-   */
-  sanitizeHtml_: function(html) {
-    return parseHtmlSubset('<div>' + html + '<div>', ['A', 'DIV'])
-        .firstChild.innerHTML;
-  },
-
-  /**
    * Computed binding returning the part 1 of the confirmation message. Returns
    * sanitized HTML that is safe to set as innerHTML.
    * @param {?ProfileInfo} profileInfo
    * @return {string}
    * @private
    */
   htmlMessage1_: function(profileInfo) {
-    return this.sanitizeHtml_(
-        this.i18n('supervisedUserCreatedTextPart1',
-                  HTMLEscape(this.elideProfileName_(profileInfo))));
+    return this.i18n('supervisedUserCreatedTextPart1',
+                     HTMLEscape(this.elideProfileName_(profileInfo)));
   },
 
   /**
    * Computed binding returning the part 2 of the confirmation message. Returns
    * sanitized HTML that is safe to set as innerHTML.
    * @param {?ProfileInfo} profileInfo
    * @return {string}
    * @private
    */
   htmlMessage2_: function(profileInfo) {
-    return this.sanitizeHtml_(
-        this.i18n('supervisedUserCreatedTextPart2',
-                  this.elideProfileName_(profileInfo),
-                  this.elideCustodianUsername_(profileInfo)));
+    return this.i18n('supervisedUserCreatedTextPart2',
+                     this.elideProfileName_(profileInfo),
+                     this.elideCustodianUsername_(profileInfo));
   },
 
   /**
    * Computed binding returning the text of the 'Switch To User' button.
    * @param {?ProfileInfo} profileInfo
    * @return {string}
    * @private
    */
   switchUserText_: function(profileInfo) {
     return this.i18n('supervisedUserCreatedSwitch',
@@ skipping 15 matching lines @@
    * @param {!Event} event
    * @private
    */
   onSwitchUserTap_: function(event) {
     this.browserProxy_.switchToProfile(this.profileInfo.filePath);
     // Event is caught by user-manager-pages.
     this.fire('change-page', {page: 'user-pods-page'});
   }
 });
 })();