Add window buttons (close and maximize) to the Files.app's new UI.

chrome/browser/resources/file_manager/js/file_manager.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';
 
 /**
  * This variable is checked in SelectFileDialogExtensionBrowserTest.
  * @type {number}
  */
@@ skipping 548 matching lines @@
     this.gearButton_ = this.dialogDom_.querySelector('#gear-button');
     this.gearButton_.addEventListener('menushow',
         this.refreshRemainingSpace_.bind(this,
                                          false /* Without loading caption. */));
     cr.ui.decorate(this.gearButton_, cr.ui.MenuButton);
     this.dialogDom_.querySelector('#gear-menu').menuItemSelector =
       'menuitem, hr';
 
     if (util.platform.newUI() && this.dialogType == DialogType.FULL_PAGE) {
       var maximizeButton = this.dialogDom_.querySelector('#maximize-button');
-      maximizeButton.addEventListener('click', function() {
-        var appWindow = chrome.app.window.current();
-        if (appWindow.isMaximized())
-          appWindow.restore();
-        else
-          appWindow.maximize();
-      });
+      maximizeButton.addEventListener('click', this.onMaximize.bind(this));
 
       var closeButton = this.dialogDom_.querySelector('#close-button');
-      closeButton.addEventListener('click', function() {
-        window.close();
-      });
+      closeButton.addEventListener('click', this.onClose.bind(this));
     }
 
     this.syncButton.checkable = true;
     this.hostedButton.checkable = true;
     if (util.platform.newUI()) {
       this.detailViewButton_.checkable = true;
       this.thumbnailViewButton_.checkable = true;
     }
   };
 
+  FileManager.prototype.onMaximize = function() {
+    var appWindow = chrome.app.window.current();
+    if (appWindow.isMaximized())
+      appWindow.restore();
+    else
+      appWindow.maximize();
+  };
+
+  FileManager.prototype.onClose = function() {
+    window.close();
+  };
+
   /**
    * One-time initialization of commands.
    * @private
    */
   FileManager.prototype.initCommands_ = function() {
     var commandButtons = this.dialogDom_.querySelectorAll('button[command]');
     for (var j = 0; j < commandButtons.length; j++)
       CommandButton.decorate(commandButtons[j]);
 
     // TODO(dzvorygin): Here we use this hack, since 'hidden' is standard
@@ skipping 3005 matching lines @@
    * Set the flag expressing whether the ctrl key is pressed or not.
    * @param {boolean} flag New value of the flag
    * @private
    */
   FileManager.prototype.setCtrlKeyPressed_ = function(flag) {
     this.ctrlKeyPressed_ = flag;
     this.document_.querySelector('#drive-clear-local-cache').canExecuteChange();
     this.document_.querySelector('#drive-reload').canExecuteChange();
   };
 })();