Adds media license nodes to cookie tree model and cookies view.

chrome/browser/resources/settings/site_settings/cookie_info.js

 // 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.
 
 // This structure maps the various cookie type names from C++ (hence the
 // underscores) to arrays of the different types of data each has, along with
 // the i18n name for the description of that data type.
 // This structure serves three purposes:
 // 1) to list what subset of the cookie data we want to show in the UI.
 // 2) What order to show it in.
@@ skipping 27 matching lines @@
   'channel_id': [['serverId', 'channelIdServerId'],
                  ['certType', 'channelIdType'],
                  ['created', 'channelIdCreated']],
   'service_worker': [['origin', 'serviceWorkerOrigin'],
                      ['size', 'serviceWorkerSize'],
                      ['scopes', 'serviceWorkerScopes']],
   'cache_storage': [['origin', 'cacheStorageOrigin'],
                     ['size', 'cacheStorageSize'],
                     ['modified', 'cacheStorageLastModified']],
   'flash_lso': [['domain', 'cookieDomain']],
+  'media_license': [['origin', 'mediaLicenseOrigin'],
+                    ['size', 'mediaLicenseSize'],
+                    ['modified', 'mediaLicenseLastModified']],
 };