ChromeOS: Add more controls to OOBE EULA screen.

chrome/browser/resources/chromeos/login/oobe_eula.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 Polymer element for displaying material design Terms Of Service
  * screen.
  */
 
 Polymer({
@@ skipping 15 matching lines @@
       type: Array,
     },
 
     /**
      * "Accepot and continue" button is disabled until content is loaded.
      */
     acceptButtonDisabled: {
       type: Boolean,
       value: true,
     },
+
+    /**
+     * If "Report anonymous usage stats" checkbox is checked.
+     */
+    usageStatsChecked: {
+      type: Boolean,
+      value: false,
+    },
+
+    /**
+     * Reference to OOBE screen object.
+     * @type {!OobeTypes.Screen}
+     */
+    screen: {
+      type: Object,
+    },
   },
 
   /**
    * Event handler that is invoked when 'chrome://terms' is loaded.
    */
   onFrameLoad_: function() {
     this.acceptButtonDisabled = false;
   },
 
   /**
    * This is called when strings are updated.
    */
   updateLocalizedContent: function(event) {
     // This forces frame to reload.
     this.$.crosEulaFrame.src = this.$.crosEulaFrame.src;
   },
 
   /**
    * This is 'on-tap' event handler for 'Accept' button.
    */
   eulaAccepted_: function(event) {
     chrome.send('login.EulaScreen.userActed', ['accept-button']);
   },
+
+  /**
+   * On-change event handler for usageStats.
+   *
+   * * @private
+   */
+  onUsageChanged_: function() {
+    this.screen.onUsageStatsClicked_(this.$.usageStats.checked);
+  },
+
+  /**
+   * On-tap event handler for installationSettings.
+   *
+   * * @private
+   */
+  onInstallationSettingsClicked_: function() {
+    chrome.send('eulaOnInstallationSettingsPopupOpened');
+    $('popup-overlay').hidden = false;
+    $('installation-settings-ok-button').focus();
+  },
+
+  /**
+   * On-tap event handler for stats-help-link.
+   *
+   * * @private
+   */
+  onUsageStatsHelpLinkClicked_: function() {
+    chrome.send('eulaOnLearnMore');
+  },
 });