[File Manager] Cleanup: Moving js/css/html files to dedicated directories

chrome/browser/resources/file_manager/js/metadata/function_sequence.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.
 
 /**
  * @constructor
  * @class FunctionSequence to invoke steps in sequence
  *
  * @param {Array} steps                array of functions to invoke in sequence
  * @param {Object} logger              logger
@@ skipping 104 matching lines @@
   this.nextStep.apply(this, arguments);
 };
 
 /**
  * Add Function object mimics to FunctionSequence
  */
 FunctionSequence.prototype.apply_ = function(obj, args) {
   this.start.apply(this, args);
 };