Support to repeat one song in Audio Player.

ui/file_manager/audio_player/js/audio_player.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.
 
 /**
  * Overrided metadata worker's path.
  * @type {string}
  */
 ContentMetadataProvider.WORKER_SCRIPT = '/js/metadata_worker.js';
 
@@ skipping 34 matching lines @@
 
   this.player_ =
     /** @type {AudioPlayerElement} */ (document.querySelector('audio-player'));
   this.player_.tracks = [];
 
   // Restore the saved state from local storage, and update the local storage
   // if the states are changed.
   var STORAGE_PREFIX = 'audioplayer-';
   var KEYS_TO_SAVE_STATES =
       ['shuffle',
-       'repeat',
+       'repeat-mode',
        'volume',
        'playlist-expanded',
        'track-info-expanded'];
   var storageKeys = KEYS_TO_SAVE_STATES.map(a => STORAGE_PREFIX + a);
   chrome.storage.local.get(storageKeys, function(results) {
     // Update the UI by loaded state.
     for (var storageKey in results) {
       var key = storageKey.substr(STORAGE_PREFIX.length);
       this.player_[Polymer.CaseMap.dashToCamelCase(key)] = results[storageKey];
     }
@@ skipping 542 matching lines @@
   // TODO(yoshiki): Handle error in better way.
   this.title = metadata.mediaTitle || this.getDefaultTitle();
   this.artist = error || metadata.mediaArtist || this.getDefaultArtist();
   this.artworkUrl = metadata.contentThumbnailUrl || "";
 };
 
 // Starts loading the audio player.
 window.addEventListener('DOMContentLoaded', function(e) {
   AudioPlayer.load();
 });