Refactors parse_html_subset() into i18n_behavior.

chrome/browser/resources/md_user_manager/create_profile.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 'create-profile' is a page that contains controls for creating
  * a (optionally supervised) profile, including choosing a name, and an avatar.
  */
 (function() {
 /**
@@ skipping 256 matching lines @@
         if (supervisedUsers[j].name == this.profileName_) {
           nameIsUnique = false;
           allOnCurrentDevice = allOnCurrentDevice &&
              supervisedUsers[j].onCurrentDevice;
         }
       }
 
       this.handleMessage_(allOnCurrentDevice ?
           this.i18n('managedProfilesExistingLocalSupervisedUser') :
           this.i18n('manageProfilesExistingSupervisedUser',
-               HTMLEscape(elide(this.profileName_, /* maxLength */ 50))));
+               [HTMLEscape(elide(this.profileName_, /* maxLength */ 50))]));
       return;
     }
     // No existing supervised user's name matches the entered profile name.
     // Continue with creating the new supervised profile.
     this.createProfile_();
   },
 
   /**
    * Creates the new profile.
    * @private
@@ skipping 124 matching lines @@
    * Computed binding that returns True if there are any signed-in users.
    * @param {!Array<!SignedInUser>} signedInUsers signed-in users.
    * @return {boolean}
    * @private
    */
   isSignedIn_: function(signedInUsers) {
     return signedInUsers.length > 0;
   }
 });
 }());