Files.app: Remove unused ctrl key flag.

chrome/browser/resources/file_manager/foreground/js/file_manager_commands.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';
 
 /**
  * TODO(dzvorygin): Here we use this hack, since 'hidden' is standard
  * attribute and we can't use it's setter as usual.
  * @param {boolean} value New value of hidden property.
@@ skipping 221 matching lines @@
    */
   this.fileManager_ = fileManager;
 
   /**
    * Command elements.
    * @type {Object.<string, cr.ui.Command>}
    * @private
    */
   this.commands_ = {};
 
-  /**
-   * Whether the ctrl key is pressed or not.
-   * @type {boolean}
-   * @private
-   */
-  this.ctrlKeyPressed_ = false;
-
   Object.seal(this);
 
   // Decorate command tags in the document.
   var commands = fileManager.document.querySelectorAll('command');
   for (var i = 0; i < commands.length; i++) {
     cr.ui.Command.decorate(commands[i]);
     this.commands_[commands[i].id] = commands[i];
   }
 
   // Register events.
   fileManager.document.addEventListener('command', this.onCommand_.bind(this));
   fileManager.document.addEventListener('canExecute',
                                         this.onCanExecute_.bind(this));
-  fileManager.document.addEventListener('keydown', this.onKeyDown_.bind(this));
-  fileManager.document.addEventListener('keyup', this.onKeyUp_.bind(this));
 };
 
 /**
  * Updates the availability of all commands.
  */
 CommandHandler.prototype.updateAvailability = function() {
   for (var id in this.commands_) {
     this.commands_[id].canExecuteChange();
   }
 };
@@ skipping 31 matching lines @@
  * @private
  */
 CommandHandler.prototype.onCanExecute_ = function(event) {
   if (this.shouldIgnoreEvents_())
     return;
   var handler = CommandHandler.COMMANDS_[event.command.id];
   handler.canExecute.call(this, event, this.fileManager_);
 };
 
 /**
- * Handle key down event.
- * @param {Event} event Key down event.
- * @private
- */
-CommandHandler.prototype.onKeyDown_ = function(event) {
-  // 17 is the keycode of Ctrl key and it means the event is not for other keys
-  // with Ctrl modifier but for ctrl key itself.
-  if (util.getKeyModifiers(event) + event.keyCode == 'Ctrl-17') {
-    this.ctrlKeyPressed_ = true;
-    this.updateAvailability();
-  }
-};
-
-/**
- * Handle key up event.
- * @param {Event} event Key up event.
- * @private
- */
-CommandHandler.prototype.onKeyUp_ = function(event) {
-  // 17 is the keycode of Ctrl key and it means the event is not for other keys
-  // with Ctrl modifier but for ctrl key itself.
-  if (util.getKeyModifiers(event) + event.keyCode == '17') {
-    this.ctrlKeyPressed_ = false;
-    this.updateAvailability();
-  }
-};
-
-/**
  * Commands.
  * @type {Object.<string, Command>}
  * @const
  * @private
  */
 CommandHandler.COMMANDS_ = {};
 
 /**
  * Unmounts external drive.
  * @type {Command}
@@ skipping 479 matching lines @@
 /**
  * Reset the zoom factor.
  * @type {Command}
  */
 CommandHandler.COMMANDS_['zoom-reset'] = {
   execute: function(event, fileManager) {
     chrome.fileBrowserPrivate.zoom('reset');
   },
   canExecute: CommandUtil.canExecuteAlways
 };