[filemanager] Implementing undo delete functionality.

chrome/browser/resources/file_manager/js/util.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.
 
 /**
  * Namespace for utility functions.
  */
 var util = {};
 
 /**
@@ skipping 565 matching lines @@
                   'rotate(' + transform.rotate90 * 90 + 'deg)' :
       '';
 };
 
 /**
  * Makes filesystem: URL from the path.
  * @param {string} path File or directory path.
  * @return {string} URL.
  */
 util.makeFilesystemUrl = function(path) {
+  path = path.split('/').map(encodeURIComponent).join('/');
   return 'filesystem:' + chrome.extension.getURL('external' + path);
 };
 
 /**
  * Extracts path from filesystem: URL.
  * @param {string} url Filesystem URL.
  * @return {string} The path.
  */
 util.extractFilePath = function(url) {
   var path = /^filesystem:[\w-]*:\/\/[\w]*\/(external|persistent)(\/.*)$/.
@@ skipping 87 matching lines @@
  * Wrapper function to make dealing with translated strings more concise.
  * Equivilant to loadTimeData.getStringF(id, ...).
  *
  * @param {string} id The id of the string to return.
  * @param {...string} var_args The values to replace into the string.
  * @return {string} The translated string with replaced values.
  */
 function strf(id, var_args) {
   return loadTimeData.getStringF.apply(loadTimeData, arguments);
 }