Support to repeat one song in Audio Player.

ui/file_manager/audio_player/elements/control_panel.html

Index: ui/file_manager/audio_player/elements/control_panel.html
diff --git a/ui/file_manager/audio_player/elements/control_panel.html b/ui/file_manager/audio_player/elements/control_panel.html
index 245518a7085ebd40c644acd865743efed8f8da7a..43792174b419b838b88744d2ccd6801517c739cc 100644
--- a/ui/file_manager/audio_player/elements/control_panel.html
+++ b/ui/file_manager/audio_player/elements/control_panel.html
@@ -8,6 +8,7 @@
 <link rel="import" href="chrome://resources/polymer/v1_0/font-roboto/roboto.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-slider/paper-slider.html">
 <link rel="import" href="chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/foreground/elements/files_icon_button.html">
+<link rel="import" href="repeat_button.html">
 
 <dom-module id="control-panel">
   <link rel="import" type="css" href="control_panel.css">
@@ -21,12 +22,12 @@
             active="{{shuffle}}">
         </files-icon-button>
 
-        <!-- Repeat toggle button in the bottom line. -->
-        <files-icon-button toggles
-            id="repeat"
-            class="repeat media-button toggle"
-            active="{{repeat}}">
-        </files-icon-button>
+        <!-- RepeatMode toggle button in the bottom line. -->
+        <repeat-button
+            id="repeatMode"

[fukino, 2016/09/09 05:31:45]

I think we can still use id #repeat for this button. (e.g. the toggle button for
change shuffle mode has simply #shuffle.)

[harukam, 2016/09/09 11:53:45]

Acknowledged.

+            class="repeatMode media-button"

[fukino, 2016/09/09 05:31:45]

class="repeat-mode ..

[harukam, 2016/09/09 11:53:45]

Acknowledged.

+            repeat-mode="{{repeatMode}}">
+        </repeat-button>
 
         <!-- Prev button in the bottom line. -->
         <files-icon-button