Revert "MD user manager (learn more page, user manager tutorial)"

chrome/browser/resources/md_user_manager/user_manager_tutorial.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 'user-manager-tutorial' is the element that controls the
- * tutorial steps for the user manager page.
- */
-(function() {
-
-/** @enum {string} */
-var TutorialSteps = {
-  YOUR_CHROME: 'yourChrome',
-  FRIENDS: 'friends',
-  GUESTS: 'guests',
-  COMPLETE: 'complete',
-  NOT_YOU: 'notYou'
-};
-
-Polymer({
-  is: 'user-manager-tutorial',
-
-  behaviors: [
-    I18nBehavior,
-  ],
-
-  properties: {
-    /**
-     * True if the tutorial is currently hidden.
-     * @private {boolean}
-     */
-    hidden_: {
-      type: Boolean,
-      value: true
-    },
-
-    /**
-     * Current tutorial step ID.
-     * @type {string}
-     */
-    currentStep_: {
-      type: String,
-      value: ''
-    },
-
-    /**
-     * Enum values for the step IDs.
-     * @private {TutorialSteps}
-     */
-    steps_: {
-      readOnly: true,
-      type: Object,
-      value: TutorialSteps
-    }
-  },
-
-  /**
-   * Determines whether a given step is displaying.
-   * @param {string} currentStep Index of the current step
-   * @param {string} step Name of the given step
-   * @return {boolean}
-   * @private
-   */
-  isStepHidden_: function(currentStep, step) {
-    return currentStep != step;
-  },
-
-  /**
-   * Navigates to the next step.
-   * @param {!Event} event
-   * @private
-   */
-  onNextTap_: function(event) {
-    var element = Polymer.dom(event).rootTarget;
-    this.currentStep_ = element.dataset.next;
-  },
-
-  /**
-   * Handler for the link in the last step. Takes user to the create-profile
-   * page in order to add a new profile.
-   * @param {!Event} event
-   * @private
-   */
-  onAddUserTap_: function(event) {
-    this.onDissmissTap_();
-    // Event is caught by user-manager-pages.
-    this.fire('change-page', {page: 'create-user-page'});
-  },
-
-  /**
-   * Starts the tutorial.
-   */
-  startTutorial: function() {
-    this.currentStep_ = TutorialSteps.YOUR_CHROME;
-    this.hidden_ = false;
-
-    // If there's only one pod, show the steps to the side of the pod.
-    // Otherwise, center the steps and disable interacting with the pods
-    // while the tutorial is showing.
-    var podRow = /** @type {{focusPod: !function(), pods: !Array}} */
-        ($('pod-row'));
-
-    this.classList.toggle('single-pod', podRow.pods.length == 1);
-
-    podRow.focusPod();  // No focused pods.
-    $('inner-container').classList.add('disabled');
-  },
-
-  /**
-   * Ends the tutorial.
-   * @private
-   */
-  onDissmissTap_: function() {
-    $('inner-container').classList.remove('disabled');
-    this.hidden_ = true;
-  }
-});
-})();