Refactors parse_html_subset() into i18n_behavior.

chrome/browser/resources/md_user_manager/create_profile.js

Index: chrome/browser/resources/md_user_manager/create_profile.js
diff --git a/chrome/browser/resources/md_user_manager/create_profile.js b/chrome/browser/resources/md_user_manager/create_profile.js
index 8f12f20550132ecc66275d85cc7c36e873afcade..73136c7a59a83b95d8cd6f5eb5b391a734e2eb4e 100644
--- a/chrome/browser/resources/md_user_manager/create_profile.js
+++ b/chrome/browser/resources/md_user_manager/create_profile.js
@@ -282,10 +282,26 @@ Polymer({
         }
       }
 
+      var extraAllowedAttributes = {
+        'id': function(node, value) {
+          return node.tagName == 'A' && value != '';
+        },
+        'is': function(node, value) {
+          return node.tagName == 'A' && value == 'action-link';
+        },
+        'role': function(node, value) {
+          return node.tagName == 'A' && value == 'link';
+        },
+        'tabindex': function(node, value) {
+          return node.tagName == 'A';
+        },
+      };
+
       this.handleMessage_(allOnCurrentDevice ?
           this.i18n('managedProfilesExistingLocalSupervisedUser') :
-          this.i18n('manageProfilesExistingSupervisedUser',
-               HTMLEscape(elide(this.profileName_, /* maxLength */ 50))));
+          this.i18nExtraTagsAttrs('manageProfilesExistingSupervisedUser',
+              [HTMLEscape(elide(this.profileName_, /* maxLength */ 50))],
+              [], extraAllowedAttributes));
       return;
     }
     // No existing supervised user's name matches the entered profile name.