Turn on verbose flag for compiling file_manager.

ui/file_manager/gallery/js/image_editor/commands.js

 // Copyright 2014 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.
 
 /**
  * Command queue is the only way to modify images.
  * Supports undo/redo.
  * Command execution is asynchronous (callback-based).
  *
  * @param {!Document} document Document to create canvases in.
@@ skipping 395 matching lines @@
 /** @override */
 Command.Crop.prototype.revertView = function(canvas, imageView) {
   return imageView.animateAndReplace(canvas, this.imageRect_);
 };
 
 
 /**
  * Filter command.
  *
  * @param {string} name Command name.
- * @param {function(ImageData,ImageData,number,number)} filter Filter function.
+ * @param {function(!ImageData,!ImageData,number,number)} filter Filter
+ *     function.
  * @param {?string} message Message to display when done.
  * @constructor
  * @extends {Command}
  * @struct
  */
 Command.Filter = function(name, filter, message) {
   Command.call(this, name);
   this.filter_ = filter;
   this.message_ = message;
 };
@@ skipping 33 matching lines @@
 
   function onProgressInvisible(updatedRow, rowCount) {
     if (updatedRow == rowCount) {
       callback(result);
     }
   }
 
   filter.applyByStrips(result, srcCanvas, this.filter_,
       uiContext.imageView ? onProgressVisible : onProgressInvisible);
 };