[Cleanup] Files.app: Adds missing JSdoc annotations in file_manager/*.js.

chrome/browser/resources/file_manager/js/file_copy_manager_wrapper.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.
 
 var fileCopyManagerWrapper = null;
 
 /**
  * While FileCopyManager is run in the background page, this class is used to
  * communicate with it.
  * @constructor
@@ skipping 37 matching lines @@
  */
 FileCopyManagerWrapper.getInstance = function(root) {
   if (fileCopyManagerWrapper === null) {
     fileCopyManagerWrapper = new FileCopyManagerWrapper(root);
   }
   return fileCopyManagerWrapper;
 };
 
 /**
  * Load background page and call callback with copy manager as an argument.
+ * @param {Function} callback Function with FileCopyManager as a parameter.
  * @private
- * @param {Function} callback Function with FileCopyManager as a parameter.
  */
 FileCopyManagerWrapper.prototype.getCopyManagerAsync_ = function(callback) {
   var MAX_RETRIES = 10;
   var TIMEOUT = 100;
 
   var root = this.root_;
   var retries = 0;
 
   var tryOnce = function() {
     var onGetBackgroundPage = function(bg) {
@@ skipping 52 matching lines @@
     });
   };
 };
 
 FileCopyManagerWrapper.decorateAsyncMethod('requestCancel');
 FileCopyManagerWrapper.decorateAsyncMethod('paste');
 FileCopyManagerWrapper.decorateAsyncMethod('deleteEntries');
 FileCopyManagerWrapper.decorateAsyncMethod('forceDeleteTask');
 FileCopyManagerWrapper.decorateAsyncMethod('cancelDeleteTask');
 FileCopyManagerWrapper.decorateAsyncMethod('zipSelection');