cros: Small JS cleanup in lock screen code.

ui/login/account_picker/user_pod_row.js

Index: ui/login/account_picker/user_pod_row.js
diff --git a/ui/login/account_picker/user_pod_row.js b/ui/login/account_picker/user_pod_row.js
index 71e88f292fade6756b7ce5bcca209238bf3dcd79..58ffddfc16428ee0c28d0dcc9c0d0a346fdb4962 100644
--- a/ui/login/account_picker/user_pod_row.js
+++ b/ui/login/account_picker/user_pod_row.js
@@ -2729,10 +2729,10 @@ cr.define('login', function() {
     },
 
     /**
-     * Enables or disables transitions on the user pod.
+     * Enables or disables transitions on every pod instance.
      * @param {boolean} enable
      */
-    togglePinTransitions: function(enable) {
+    toggleTransitions: function(enable) {
       for (var i = 0; i < this.pods.length; ++i)
         this.pods[i].toggleTransitions(enable);
     },
@@ -2773,15 +2773,6 @@ cr.define('login', function() {
     },
 
     /**
-     * Function that hides the pin keyboard. Meant to be called when the virtual
-     * keyboard is enabled and being toggled.
-     * @param {boolean} hidden
-     */
-    setPinHidden: function(hidden) {
-      this.setFocusedPodPinVisibility(!hidden);
-    },
-
-    /**
      * Remove the pin keyboard from the pod with the given |username|.
      * @param {!user} username
      * @param {boolean} visible