[Cleanup] Files.app: Add '@constructor' annotates to constructors.

chrome/browser/resources/file_manager/js/photo/source.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.
 
 /**
  * The album.
+ * @constructor
  * @param {PhotoSource} source The parent source.
  * @param {string} name The album name.
  * @param {Array.<FileEntry>} entries The entries list.
  */
 function Album(source, name) {
   this.source_ = source;
   this.name_ = name;
   this.entries_ = null;
 }
 
@@ skipping 123 matching lines @@
 ImportPhotoSource.prototype.getType = function() {
   return 'import';
 };
 
 /**
  * @return {Album} The album.
  */
 ImportPhotoSource.prototype.getAlbums = function() {
   return this.albums_;
 };