WebUI: swap paper-dropdown-menu out for md-select.

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.
  */
 
 /** @typedef {{url: string, label:string}} */
@@ skipping 353 matching lines @@
     this.hideMessage_();
     this.createInProgress_ = true;
     var createShortcut =
         this.isProfileShortcutsEnabled_ && this.createShortcut_;
     this.browserProxy_.createProfile(
         this.profileName_, this.profileIconUrl_, createShortcut,
         this.isSupervised_, '', custodianProfilePath);
   },
 
   /**
+   * Handler for a change in the supervised account dropdown.
+   * @param {!{target: HTMLSelectElement}} event
+   * @private
+   */
+  onAccountChanged_: function(event) {
+    this.signedInUserIndex_ = parseInt(event.target.value, 10);
+  },
+
+  /**
    * Handler for the 'import' event fired by #importUserPopup once a supervised
    * user is selected to be imported and the popup closes.
    * @param {!{detail: {supervisedUser: !SupervisedUser,
    *                    signedInUser: !SignedInUser}}} event
    * @private
    */
   onImportUserPopupImport_: function(event) {
     var supervisedUser = event.detail.supervisedUser;
     var signedInUser = event.detail.signedInUser;
     this.hideMessage_();
@@ skipping 135 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;
   }
 });
 }());