Fix thumbnail refresh for Drive images

chrome/browser/resources/file_manager/js/file_grid.js

 // Copyright (c) 2012 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.
 
 /**
  * FileGrid constructor.
  *
  * Represents grid for the Grid Vew in the File Manager.
  * @constructor
  * @extends {cr.ui.Grid}
@@ skipping 104 matching lines @@
       setTimeout(opt_imageLoadCallback, 0, null /* callback parameter */);
     return;
   }
 
   var imageUrl = entry.toURL();
 
   // Failing to fetch a thumbnail likely means that the thumbnail URL
   // is now stale. Request a refresh of the current directory, to get
   // the new thumbnail URLs. Once the directory is refreshed, we'll get
   // notified via onDirectoryChanged event.
-  // TODO:
-  var onImageLoadError = function(imageURL) {
-    metadataCache.refreshFileMetadata(imageURL);
+  var onImageLoadError = function() {
+    metadataCache.refreshFileMetadata(imageUrl);
   };
 
   var metadataTypes = 'thumbnail|filesystem';
 
   if (FileType.isOnGDrive(imageUrl)) {
     metadataTypes += '|gdata';
   } else {
     // TODO(dgozman): If we ask for 'media' for a GDrive file we fall into an
     // infinite loop.
     metadataTypes += '|media';
@@ skipping 41 matching lines @@
     var bottom = li.querySelector('.thumbnail-bottom');
     bottom.appendChild(checkBox);
     bottom.classList.add('show-checkbox');
   }
 
   // Override the default role 'listitem' to 'option' to match the parent's
   // role (listbox).
   li.setAttribute('role', 'option');
 };