Files.app: Move fileNameInput element under the dialogFooter class.

ui/file_manager/file_manager/foreground/js/file_selection.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.
 
 'use strict';
 
 /**
  * The current selection object.
  *
  * @param {FileManager} fileManager FileManager instance.
@@ skipping 142 matching lines @@
  * This object encapsulates everything related to current selection.
  *
  * @param {FileManager} fileManager File manager instance.
  * @extends {cr.EventTarget}
  * @constructor
  */
 function FileSelectionHandler(fileManager) {
   this.fileManager_ = fileManager;
   // TODO(dgozman): create a shared object with most of UI elements.
   this.okButton_ = fileManager.ui.dialogFooter.okButton;
-  this.filenameInput_ = fileManager.filenameInput_;
+  this.filenameInput_ = fileManager.ui.dialogFooter.filenameInput;
   this.previewPanel_ = fileManager.previewPanel_;
   this.taskItems_ = fileManager.taskItems_;
 }
 
 /**
  * Create the temporary disabled action menu item.
  * @return {Object} Created disabled item.
  * @private
  */
 FileSelectionHandler.createTemporaryDisabledActionMenuItem_ = function() {
@@ skipping 181 matching lines @@
 
   // Sync the commands availability.
   if (this.fileManager_.commandHandler)
     this.fileManager_.commandHandler.updateAvailability();
 
   // Inform tests it's OK to click buttons now.
   if (selection.totalCount > 0) {
     util.testSendMessage('selection-change-complete');
   }
 };