Support to repeat one song in Audio Player.

ui/file_manager/audio_player/elements/compiled_resources2.gyp

 # Copyright 2016 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.
 {
   'targets': [
 #    {
 #      'target_name': 'audio_player',
 #      'includes': ['../../compile_js2.gypi'],
 #    },
 #    {
 #      'target_name': 'control_panel',
 #      'includes': ['../../compile_js2.gypi'],
 #    },
 #    {
+#      'target_name': 'repeat_button',
+#      'includes': ['../../compile_js2.gypi'],
+#    },
+#    {
 #      'target_name': 'track_info_panel',
 #      'includes': ['../../compile_js2.gypi'],
 #    },
 #    {
 #      'target_name': 'track_list',
 #      'includes': ['../../compile_js2.gypi'],
 #    },
   ],
 }