Add fingerprint UI in user pod

ui/login/account_picker/screen_account_picker.js

 // Copyright 2014 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 Account picker screen implementation.
  */
 
 login.createScreen('AccountPickerScreen', 'account-picker', function() {
   /**
@@ skipping 17 matching lines @@
       'setApps',
       'setShouldShowApps',
       'showAppError',
       'updateUserImage',
       'setCapsLockState',
       'forceLockedUserPodFocus',
       'removeUser',
       'showBannerMessage',
       'showUserPodCustomIcon',
       'hideUserPodCustomIcon',
+      'setUserPodFingerprintIcon',
+      'removeUserPodFingerprintIcon',
       'disablePinKeyboardForUser',
       'setAuthType',
       'setTouchViewState',
       'setPublicSessionDisplayName',
       'setPublicSessionLocales',
       'setPublicSessionKeyboardLayouts',
     ],
 
     preferredWidth_: 0,
     preferredHeight_: 0,
@@ skipping 364 matching lines @@
      * Hides the custom icon in the user pod of |username| added by
      * showUserPodCustomIcon(). This function is used by the
      * chrome.screenlockPrivate API.
      * @param {string} username Username of pod to remove button
      */
     hideUserPodCustomIcon: function(username) {
       $('pod-row').hideUserPodCustomIcon(username);
     },
 
     /**
+     * Set a fingerprint icon in the user pod of |username|.
+     * @param {boolean} visible Set visiblity of the fingerprint icon
+     * @param {string} username Username of the selected user
+     * @param {number} state Fingerprint unlock state
+     */
+    setUserPodFingerprintIcon: function(visible, username, state) {
+      $('pod-row').setUserPodFingerprintIcon(visible, username, state);
+    },
+
+    /**
+     * Removes the fingerprint icon in the user pod of |username|.
+     * @param {string} username Username of the selected user.
+     */
+    removeUserPodFingerprintIcon: function(username) {
+      $('pod-row').removeUserPodFingerprintIcon(username);
+    },
+
+    /**
      * Sets the authentication type used to authenticate the user.
      * @param {string} username Username of selected user
      * @param {number} authType Authentication type, must be a valid value in
      *                          the AUTH_TYPE enum in user_pod_row.js.
      * @param {string} value The initial value to use for authentication.
      */
     setAuthType: function(username, authType, value) {
       $('pod-row').setAuthType(username, authType, value);
     },
 
@@ skipping 45 matching lines @@
      * @param {string} userID The user ID of the public session
      * @param {string} locale The locale to which this list of keyboard layouts
      *     applies
      * @param {!Object} list List of available keyboard layouts
      */
     setPublicSessionKeyboardLayouts: function(userID, locale, list) {
       $('pod-row').setPublicSessionKeyboardLayouts(userID, locale, list);
     }
   };
 });