Files.app: Fix closure compiler errors.

third_party/closure_compiler/externs/file_manager_private.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 Externs generated from namespace: fileManagerPrivate */
 
 /**
  * @typedef {{
  *   scale1xUrl: string,
  *   scale2xUrl: string
  * }}
  */
 var ImageSet;
 
 /**
  * @typedef {{
  *   taskId: string,
  *   title: string,
  *   iconUrl: string,
  *   isDefault: boolean
  * }}
  */
 var FileTask;
 
 /**
  * @typedef {{
  *   fileSize: (number|undefined),
  *   lastModifiedTime: (number|undefined),
  *   thumbnailUrl: (string|undefined),
+ *   externalFileUrl: (string|undefined),
  *   imageWidth: (number|undefined),
  *   imageHeight: (number|undefined),
  *   imageRotation: (number|undefined),
  *   isPinned: (boolean|undefined),
  *   isPresent: (boolean|undefined),
  *   isHosted: (boolean|undefined),
+ *   isDirty: (boolean|undefined),
  *   isAvailableOffline: (boolean|undefined),
  *   isAvailableWhenMetered: (boolean|undefined),
  *   customIconUrl: (string|undefined),
  *   contentMimeType: (string|undefined),
  *   sharedWithMe: (boolean|undefined),
  *   shared: (boolean|undefined)
  * }}
  */
 var EntryProperties;
 
@@ skipping 518 matching lines @@
 chrome.fileManagerPrivate.onPreferencesChanged;
 
 /** @type {!ChromeEvent} */
 chrome.fileManagerPrivate.onDriveConnectionStatusChanged;
 
 /** @type {!ChromeEvent} */
 chrome.fileManagerPrivate.onDeviceChanged;
 
 /** @type {!ChromeEvent} */
 chrome.fileManagerPrivate.onDriveSyncError;