Files.app: Bring back the offline feature.

chrome/browser/resources/file_manager/js/directory_model.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';
 
 // If directory files changes too often, don't rescan directory more than once
 // per specified interval
 var SIMULTANEOUS_RESCAN_INTERVAL = 1000;
 // Used for operations that require almost instant rescan.
@@ skipping 90 matching lines @@
  * @const
  * @private
  */
 DirectoryModel.fakeDriveRecentEntry_ = {
   fullPath: RootDirectory.DRIVE_RECENT,
   isDirectory: true
 };
 
 /**
  * List of fake entries for special searches.
- * TODO(haruki): Add the entry for "Recent".
- * TODO(hirono): Bring back the entry for "Offline". http://crbug.com/238545
  *
  * @type {Array.<Object>}
  * @const
  */
-DirectoryModel.FAKE_DRIVE_SPECIAL_SEARCH_ENTRIES =
-    [DirectoryModel.fakeDriveSharedWithMeEntry_,
-     DirectoryModel.fakeDriveRecentEntry_];
+DirectoryModel.FAKE_DRIVE_SPECIAL_SEARCH_ENTRIES = [
+  DirectoryModel.fakeDriveSharedWithMeEntry_,
+  DirectoryModel.fakeDriveRecentEntry_,
+  DirectoryModel.fakeDriveOfflineEntry_
+];
 
 /**
  * DirectoryModel extends cr.EventTarget.
  */
 DirectoryModel.prototype.__proto__ = cr.EventTarget.prototype;
 
 /**
  * Enqueues an asynchronous closure. Guarantees that the closured are called
  * sequentially in order they are enqueued. Each of the closures added to the
  * queue must call a callback once handling is completed.
@@ skipping 1411 matching lines @@
         }.bind(this));
   }
 };
 
 /**
  * @return {DirectoryEntry} Current watched directory entry.
  */
 FileWatcher.prototype.getWatchedDirectoryEntry = function() {
   return this.watchedDirectoryEntry_;
 };