Implement chrome.fileSystem.requestFileSystem().

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 {{
  *   taskId: string,
  *   title: string,
@@ skipping 252 matching lines @@
 
 /**
  * Removes file watch. |fileUrl| URL of watched file to remove |callback|
  * @param {string} fileUrl
  * @param {Function} callback |success| True when file watch is successfully
  * removed.
  */
 chrome.fileManagerPrivate.removeFileWatch = function(fileUrl, callback) {};
 
 /**
- * Requests access to a file system volume. |volumeId| The ID of the file
- * system volume to request. The volume ID is delivered to JavaScript as
- * part of VolumeMetadata.
- * @param {string} volumeId
- * @param {function(FileSystem)} callback Returns a DOMFileSystem instance
- *     for the requested volume. Null if the caller has no appropriate
- *     permissions.
- */
-chrome.fileManagerPrivate.requestFileSystem = function(volumeId, callback) {};
-
-/**
  * Enables the extenal file scheme necessary to initiate drags to the browser
  * window for files on the external backend.
  */
 chrome.fileManagerPrivate.enableExternalFileScheme = function() {};
 
 /**
  * Requests R/W access to the specified entries as |entryUrls|. Note, that only
  * files backed by external file system backend will be granted the access.
  * @param {!Array<string>} entryUrls
  * @param {function()} callback Completion callback.
@@ skipping 297 matching lines @@
 chrome.fileManagerPrivate.onPreferencesChanged;
 
 /** @type {!ChromeEvent} */
 chrome.fileManagerPrivate.onDriveConnectionStatusChanged;
 
 /** @type {!ChromeEvent} */
 chrome.fileManagerPrivate.onDeviceChanged;
 
 /** @type {!ChromeEvent} */
 chrome.fileManagerPrivate.onDriveSyncError;