Support to repeat one song in Audio Player.

ui/file_manager/audio_player/js/audio_player.js

Index: ui/file_manager/audio_player/js/audio_player.js
diff --git a/ui/file_manager/audio_player/js/audio_player.js b/ui/file_manager/audio_player/js/audio_player.js
index 37921756298226caa7dda29c35c0cdb3214be925..509f29c9c894bbde1475a4ec27d71ddf94900161 100644
--- a/ui/file_manager/audio_player/js/audio_player.js
+++ b/ui/file_manager/audio_player/js/audio_player.js
@@ -61,6 +61,9 @@ function AudioPlayer(container) {
     // Update the UI by loaded state.
     for (var storageKey in results) {
       var key = storageKey.substr(STORAGE_PREFIX.length);
+      if(key === 'repeat' && typeof results[storageKey] === 'boolean') {

[fukino, 2016/09/02 12:11:48]

Let's make new key 'repeat-mode' for the string value and eliminate 'repeat' for
simplicity.

[harukam, 2016/09/05 04:35:03]

Acknowledged.

+        results[storageKey] = results[storageKey] ? "repeat-all" : "repeat-none";
+      }
       this.player_[Polymer.CaseMap.dashToCamelCase(key)] = results[storageKey];
     }
     // Start listening to UI changes to write back the states to local storage.