Fix undefined small pods container error

ui/login/account_picker/md_user_pod_row.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 User pod row implementation.
  */
 
 cr.define('login', function() {
   /**
@@ skipping 3151 matching lines @@
         for (var i = 0; i < this.apps_.length; ++i)
           this.addUserPod(this.apps_[i]);
       }
 
       // Make sure we eventually show the pod row, even if some image is stuck.
       setTimeout(function() {
         $('pod-row').classList.remove('images-loading');
         this.smallPodsContainer.classList.remove('images-loading');
         this.topMask.classList.remove('images-loading');
         this.bottomMask.classList.remove('images-loading');
-      }, POD_ROW_IMAGES_LOAD_TIMEOUT_MS);
+      }.bind(this), POD_ROW_IMAGES_LOAD_TIMEOUT_MS);
 
       var isAccountPicker = $('login-header-bar').signinUIState ==
           SIGNIN_UI_STATE.ACCOUNT_PICKER;
 
       // Immediately recalculate pods layout only when current UI is account
       // picker. Otherwise postpone it.
       if (isAccountPicker) {
         this.placePods_();
         this.maybePreselectPod();
 
@@ skipping 1514 matching lines @@
       if (pod && pod.multiProfilesPolicyApplied) {
         pod.userTypeBubbleElement.classList.remove('bubble-shown');
       }
     }
   };
 
   return {
     PodRow: PodRow
   };
 });