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

chrome/browser/extensions/extension_file_browser_private_api.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/extensions/extension_file_browser_private_api.h"
 
 #include "base/base64.h"
 #include "base/command_line.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
@@ skipping 1056 matching lines @@
   SET_STRING(IDS_FILE_BROWSER, SELECT_FOLDER_TITLE);
   SET_STRING(IDS_FILE_BROWSER, SELECT_OPEN_FILE_TITLE);
   SET_STRING(IDS_FILE_BROWSER, SELECT_OPEN_MULTI_FILE_TITLE);
   SET_STRING(IDS_FILE_BROWSER, SELECT_SAVEAS_FILE_TITLE);
 
   SET_STRING(IDS_FILE_BROWSER, COMPUTING_SELECTION);
   SET_STRING(IDS_FILE_BROWSER, NOTHING_SELECTED);
   SET_STRING(IDS_FILE_BROWSER, ONE_FILE_SELECTED);
   SET_STRING(IDS_FILE_BROWSER, MANY_FILES_SELECTED);
 
+  SET_STRING(IDS_FILE_BROWSER, PLAYBACK_ERROR);
+
   // FILEBROWSER, without the underscore, is from the old school codebase.
   // TODO(rginda): Move these into IDS_FILE_BROWSER post M12.
   SET_STRING(IDS_FILEBROWSER, CONFIRM_DELETE);
 
   SET_STRING(IDS_FILEBROWSER, ENQUEUE);
 #undef SET_STRING
 
   // TODO(serya): Create a new string in .grd file for this one in M13.
   dict->SetString("PREVIEW_IMAGE",
       l10n_util::GetStringUTF16(IDS_CERT_MANAGER_VIEW_CERT_BUTTON));
   dict->SetString("PLAY_MEDIA",
       l10n_util::GetStringUTF16(IDS_CONTENT_CONTEXT_PLAY));
 
   return true;
 }