Separate the audio player app from Files.app

ui/file_manager/file_manager/foreground/js/file_tasks.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 object encapsulates everything related to tasks execution.
  *
  * TODO(hirono): Pass each component instead of the entire FileManager.
@@ skipping 518 matching lines @@
 /**
  * Executes an internal task.
  *
  * @param {string} id The short task id.
  * @param {Array.<Entry>} entries The entries to execute on.
  * @private
  */
 FileTasks.prototype.executeInternalTask_ = function(id, entries) {
   var fm = this.fileManager_;
 
-  if (id === 'play') {
-    var selectedEntry = entries[0];
-    if (entries.length === 1) {
-      // If just a single audio file is selected pass along every audio file
-      // in the directory.
-      entries = fm.getAllEntriesInCurrentDirectory().filter(FileType.isAudio);
-    }
-    // TODO(mtomasz): Move conversion from entry to url to custom bindings.
-    // crbug.com/345527.
-    var urls = util.entriesToURLs(entries);
-    var position = urls.indexOf(selectedEntry.toURL());
-    chrome.fileManagerPrivate.getProfiles(
-        function(profiles, currentId, displayedId) {
-          fm.backgroundPage.launchAudioPlayer(
-              {items: urls, position: position}, displayedId);
-        });
-    return;
-  }
-
   if (id === 'mount-archive') {
     this.mountArchivesInternal_(entries);
     return;
   }
 
   console.error('Unexpected action ID: ' + id);
 };
 
 /**
  * Mounts archives.
@@ skipping 183 matching lines @@
       this.pendingInvocations_.push([privateMethod, arguments]);
     }
     return this;
   };
 };
 
 FileTasks.decorate('display');
 FileTasks.decorate('updateMenuItem');
 FileTasks.decorate('execute');
 FileTasks.decorate('executeDefault');