Implement chrome.fileSystem.requestFileSystem().

third_party/closure_compiler/externs/chrome_extensions.js

 /*
  * Copyright 2009 The Closure Compiler Authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
@@ skipping 6809 matching lines @@
  *   accepts: (!Array.<!chrome.fileSystem.AcceptsOption>|undefined),
  *   acceptsAllTypes: (boolean|undefined),
  *   acceptsMultiple: (boolean|undefined)
  * }}
  * @see http://developer.chrome.com/apps/fileSystem.html#method-chooseEntry
  */
 chrome.fileSystem.ChooseEntryOptions;
 
 
 /**
+ * @typedef {?{
+ *   volumeId: string,
+ *   writable: (boolean|undefined)
+ * }}
+ * @see http://developer.chrome.com/apps/fileSystem.html#method-requestFileSystem
+ */
+chrome.fileSystem.RequestFileSystemOptions;

[Dan Beam, 2015/03/25 23:00:19]

this is a generated file, changes to it will be lost.

I'm adding a message to this effect now in bump_compiler_version

fukino@/hirono@: please don't LG changes to this file like this

+
+
+/**
  * @param {!chrome.fileSystem.ChooseEntryOptions|
  *     function(Entry=, !Array.<!FileEntry>=)} optionsOrCallback The
  *     options for the file prompt or the callback.
  * @param {function(Entry=, !Array.<!FileEntry>=)=} opt_callback A success
  *     callback, if arg1 is options.
  * @see http://developer.chrome.com/apps/fileSystem.html#method-chooseEntry
  */
 chrome.fileSystem.chooseEntry = function(optionsOrCallback, opt_callback) {};
 
 
@@ skipping 16 matching lines @@
 /**
  * @param {!Entry} entry The entry to regain access to.
  * @return {string} The ID that can be passed to restoreEntry to regain access
  *     to the given file entry.
  * @see http://developer.chrome.com/apps/fileSystem.html#method-retainEntry
  */
 chrome.fileSystem.retainEntry = function(entry) {};
 
 
 /**
+ * @param {!chrome.fileSystem.RequestFileSystemOptions} options Options for the
+ *     request.
+ * @param {!function(FileSystem)} callback A completion callback.
+ * @see http://developer.chrome.com/apps/fileSystem.html#method-requestFileSystem
+ */
+chrome.fileSystem.requestFileSystem = function(options, callback) {};
+
+
+/**
  * @const
  * @see https://developer.chrome.com/apps/syncFileSystem
  */
 chrome.syncFileSystem = {};
 
 
 /**
  * Returns a syncable filesystem backed by Google Drive. The returned
  * DOMFileSystem instance can be operated on in the same way as
  * the Temporary and Persistant file systems (see
@@ skipping 1931 matching lines @@
 
 
 /**
  * Installs the given app ID.
  * @param {string} id
  * @param {function(string, string): void=} opt_callback Response callback that
  *     returns two string: (1) an error string (or empty string on success) and
  *     (2) an error code in case of error
  */
 chrome.inlineInstallPrivate.install = function(id, opt_callback) {};