[Cleanup] Files.app: Fill 'TODO' comments to missing descriptions in @return annotation.

chrome/browser/resources/file_manager/js/image_editor/image_adjust.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 base class for simple filters that only modify the image content
  * but do not modify the image dimensions.
  * @constructor
  * @extends ImageEditor.Mode
  */
@@ skipping 153 matching lines @@
  * TODO(JSDOC)
  * @param {ImageEditor.Toolbar} toolbar The toolbar to populate.
  */
 ImageEditor.Mode.Autofix.prototype.createTools = function(toolbar) {
   var self = this;
   toolbar.addButton('Apply', this.apply.bind(this));
 };
 
 /**
  * TODO(JSDOC)
- * @return {boolean}  //TODO(JSDOC)
+ * @return {boolean}  //TODO(JSDOC).
  */
 ImageEditor.Mode.Autofix.prototype.isApplicable = function() {
   return this.getImageView().hasValidImage() &&
       filter.autofix.isApplicable(this.getHistogram());
 };
 
 /**
  * TODO(JSDOC)
  */
 ImageEditor.Mode.Autofix.prototype.apply = function() {
@@ skipping 52 matching lines @@
     {__proto__: ImageEditor.Mode.Adjust.prototype};
 
 /**
  * TODO(JSDOC)
  * @param {ImageEditor.Toolbar} toolbar The toolbar to populate.
  */
 ImageEditor.Mode.Sharpen.prototype.createTools = function(toolbar) {
   toolbar.addRange('strength', 0, 0, 1, 100);
   toolbar.addRange('radius', 1, 1, 3);
 };