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

chrome/browser/chromeos/extensions/media_player_event_router.cc

+// Copyright (c) 2011 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.
+
+#include "chrome/browser/chromeos/extensions/media_player_event_router.h"
+
+#include "base/memory/singleton.h"
+#include "chrome/browser/extensions/extension_event_router.h"
+#include "chrome/browser/profiles/profile.h"
+
+ExtensionMediaPlayerEventRouter::ExtensionMediaPlayerEventRouter()
+    : profile_(NULL) {
+}
+
+ExtensionMediaPlayerEventRouter*
+    ExtensionMediaPlayerEventRouter::GetInstance() {
+  return Singleton<ExtensionMediaPlayerEventRouter>::get();
+}
+
+void ExtensionMediaPlayerEventRouter::Init(Profile* profile) {
+  profile_ = profile;
+}
+
+void ExtensionMediaPlayerEventRouter::NotifyPlaylistChanged() {
+  if (profile_ && profile_->GetExtensionEventRouter()) {
+    profile_->GetExtensionEventRouter()->DispatchEventToRenderers(
+      "mediaPlayerPrivate.onPlaylistChanged", "[]", NULL, GURL());
+  }
+}