Moving mediaplayer to the chrome filebrowser. Observable behaviour should not change.

chrome/browser/resources/file_manager/playlist.html

Index: chrome/browser/resources/file_manager/playlist.html
diff --git a/chrome/browser/resources/playlist.html b/chrome/browser/resources/file_manager/playlist.html
similarity index 87%
rename from chrome/browser/resources/playlist.html
rename to chrome/browser/resources/file_manager/playlist.html
index 598844c63e666eb08de94b6c0af9a393cf7711c2..5088e03d30d3bd1c5d35d27f943ae25b411773e0 100644
--- a/chrome/browser/resources/playlist.html
+++ b/chrome/browser/resources/file_manager/playlist.html
@@ -52,7 +52,7 @@ body {
 }
 
 </style>
-<script src="shared/js/local_strings.js"></script>
+<script src="chrome://resources/js/local_strings.js"></script>
 <script>
 
 function $(o) {
@@ -82,7 +82,10 @@ function load() {
   document.body.addEventListener('drop', function(e) {
     if (e.preventDefault) e.preventDefault();
   });
-  chrome.send("getCurrentPlaylist", []);
+  chrome.mediaPlayerPrivate.getPlaylist(getPlaylistCallback);
+  chrome.mediaPlayerPrivate.onPlaylistChanged.addListener(function() {
+    chrome.mediaPlayerPrivate.getPlaylist(getPlaylistCallback);
+  });
 };
 
 function getDisplayNameFromPath(path) {
@@ -96,7 +99,7 @@ function getDisplayNameFromPath(path) {
 };
 
 function setPlaylistOffset(offset) {
-  chrome.send("setCurrentPlaylistOffset", ['' + offset]);
+  chrome.mediaPlayerPrivate.setPlaylistPosition(offset);
 };
 
 function updateUI() {
@@ -139,9 +142,9 @@ function updateUI() {
   }
 };
 
-function playlistChanged(info, playlist) {
-  currentPlaylist = playlist;
-  currentOffset = info.currentOffset;
+function getPlaylistCallback(playlist) {
+  currentPlaylist = playlist.items;
+  currentOffset = playlist.position;
   updateUI();
 };
 </script>