Revert 248688 "[AudioPlayer] Enable new audio-player by default"

trunk/src/chrome/browser/resources/file_manager/background/js/background.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';
 
 /**
  * Number of runtime errors catched in the background page.
  * @type {number}
  */
@@ skipping 673 matching lines @@
 };
 
 // The instance of audio player. Until it's ready, this is null.
 var audioPlayer = null;
 
 // Queue to serializes the initialization, launching and reloading of the audio
 // player, so races won't happen.
 var audioPlayerInitializationQueue = new AsyncUtil.Queue();
 
 audioPlayerInitializationQueue.run(function(callback) {
-  // TODO(yoshiki): Remove '--file-manager-enable-new-audio-player' flag after
-  // the feature is launched.
-  var newAudioPlayerEnabled = true;
+  chrome.commandLinePrivate.hasSwitch(
+      'file-manager-enable-new-audio-player',
+      function(newAudioPlayerEnabled) {
+        var audioPlayerHTML =
+            newAudioPlayerEnabled ? 'audio_player.html' : 'mediaplayer.html';
 
-  var audioPlayerHTML =
-      newAudioPlayerEnabled ? 'audio_player.html' : 'mediaplayer.html';
+        /**
+         * Audio player window create options.
+         * @type {Object}
+         */
+        var audioPlayerCreateOptions = Object.freeze({
+          type: 'panel',
+          hidden: true,
+          minHeight: newAudioPlayerEnabled ? 116 : (35 + 58),
+          minWidth: newAudioPlayerEnabled ? 292 : 280,
+          height: newAudioPlayerEnabled ? 356 : (35 + 58),
+          width: newAudioPlayerEnabled ? 292 : 280,
+        });
 
-  /**
-   * Audio player window create options.
-   * @type {Object}
-   */
-  var audioPlayerCreateOptions = Object.freeze({
-      type: 'panel',
-      hidden: true,
-      minHeight: newAudioPlayerEnabled ? 116 : (35 + 58),
-      minWidth: newAudioPlayerEnabled ? 292 : 280,
-      height: newAudioPlayerEnabled ? 356 : (35 + 58),
-      width: newAudioPlayerEnabled ? 292 : 280,
-  });
-
-  audioPlayer = new SingletonAppWindowWrapper(audioPlayerHTML,
-                                              audioPlayerCreateOptions);
-  callback();
+        audioPlayer = new SingletonAppWindowWrapper(audioPlayerHTML,
+                                                    audioPlayerCreateOptions);
+        callback();
+      });
 });
 
 /**
  * Launch the audio player.
  * @param {Object} playlist Playlist.
  */
 function launchAudioPlayer(playlist) {
   audioPlayerInitializationQueue.run(function(callback) {
     audioPlayer.launch(playlist);
     callback();
@@ skipping 111 matching lines @@
     contexts: ['launcher'],
     title: str('NEW_WINDOW_BUTTON_LABEL')
   });
 };
 
 /**
  * Singleton instance of Background.
  * @type {Background}
  */
 window.background = new Background();