Remove fullPaths from the file_grid.js and file_table.js.

chrome/browser/resources/file_manager/foreground/js/file_table.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.
 
 'use strict';
 
 /**
  * Namespace for utility functions.
  */
 var filelist = {};
@@ skipping 939 matching lines @@
 };
 
 /**
  * Common item decoration for table's and grid's items.
  * @param {ListItem} li List item.
  * @param {Entry} entry The entry.
  * @param {MetadataCache} metadataCache Cache to retrieve metadada.
  */
 filelist.decorateListItem = function(li, entry, metadataCache) {
   li.classList.add(entry.isDirectory ? 'directory' : 'file');
-  // TODO(mtomasz): Use Entry instead of paths.
-  if (PathUtil.isDriveBasedPath(entry.fullPath)) {
-    // The metadata may not yet be ready. In that case, the list item will be
-    // updated when the metadata is ready via updateListItemsMetadata.
-    var driveProps = metadataCache.getCached(entry, 'drive');
-    if (driveProps)
-      filelist.updateListItemDriveProps(li, driveProps);
-  }
+  // The metadata may not yet be ready. In that case, the list item will be
+  // updated when the metadata is ready via updateListItemsMetadata. For files
+  // not on Drive, driveProps is not available.
+  var driveProps = metadataCache.getCached(entry, 'drive');
+  if (driveProps)
+    filelist.updateListItemDriveProps(li, driveProps);
 
   // Overriding the default role 'list' to 'listbox' for better
   // accessibility on ChromeOS.
   li.setAttribute('role', 'option');
 
   Object.defineProperty(li, 'selected', {
     /**
      * @this {ListItem}
      * @return {boolean} True if the list item is selected.
      */
@@ skipping 50 matching lines @@
     // crbug.com/246611.
   }
 
   if (driveProps.customIconUrl) {
     var iconDiv = li.querySelector('.detail-icon');
     if (!iconDiv)
       return;
     iconDiv.style.backgroundImage = 'url(' + driveProps.customIconUrl + ')';
   }
 };