Refactors parse_html_subset() into i18n_behavior.

chrome/browser/resources/md_user_manager/supervised_user_create_confirm.js

Index: chrome/browser/resources/md_user_manager/supervised_user_create_confirm.js
diff --git a/chrome/browser/resources/md_user_manager/supervised_user_create_confirm.js b/chrome/browser/resources/md_user_manager/supervised_user_create_confirm.js
index 52a91cf66e8de585612ffed59c370cd6f89d85a1..e70b99f8a60e1b3b509fbc7ecb931f7fc3c958b6 100644
--- a/chrome/browser/resources/md_user_manager/supervised_user_create_confirm.js
+++ b/chrome/browser/resources/md_user_manager/supervised_user_create_confirm.js
@@ -94,18 +94,7 @@ Polymer({
    */
   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;
+                     [this.elideProfileName_(profileInfo)]);
   },
 
   /**
@@ -116,9 +105,8 @@ Polymer({
    * @private
    */
   htmlMessage1_: function(profileInfo) {
-    return this.sanitizeHtml_(
-        this.i18n('supervisedUserCreatedTextPart1',
-                  HTMLEscape(this.elideProfileName_(profileInfo))));
+    return this.i18n('supervisedUserCreatedTextPart1',
+                     [HTMLEscape(this.elideProfileName_(profileInfo))]);
   },
 
   /**
@@ -129,10 +117,9 @@ Polymer({
    * @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)]);
   },
 
   /**
@@ -143,7 +130,7 @@ Polymer({
    */
   switchUserText_: function(profileInfo) {
     return this.i18n('supervisedUserCreatedSwitch',
-                     this.elideProfileName_(profileInfo));
+                     [this.elideProfileName_(profileInfo)]);
   },
 
   /**