Media Galleries: Remove apps that have switched off from mediaGalleriesPrivate from the whitelist.

chrome/common/extensions/api/_permission_features.json

 // Copyright (c) 2012 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.
 
 // See c/c/e/features/* to understand this file, in particular feature.h,
 // simple_feature.h, and base_feature_provider.h.
 
 // To add a new whitelisted ID, SHA-1 it and force it to uppercase. In Bash:
 //
 // $ echo -n "aaaabbbbccccddddeeeeffffgggghhhh" | \
@@ skipping 537 matching lines @@
   "mediaGalleries.delete": {
     "channel": "stable",
     "extension_types": [ "platform_app" ]
   },
   // TODO(thestig) Remove this as part of http://crbug.com/144496
   "mediaGalleriesPrivate": {
     "channel": "stable",
     "extension_types": [ "platform_app" ],
     "whitelist": [
       "4B1D0E19C6C43C008C44A8278C8B5BFE15ABEB3C",
-      "5B5DA6D054D10DB917AF7D9EAE3C56044D1B0B03",  // http://crbug.com/286542
-      "2843C1E82A9B6C6FB49308FDDF4E157B6B44BC2B",  // http://crbug.com/286542
-      "3F596D221126DCDFD115CFAA2E5A3141806358AD",  // http://crbug.com/286542
       "F7FA7ABC1ECB89BA8EE6656847EFABBF43BB9BCA",
       "4FE45FA56EF6A25FDE8C302C44045CA9CE8A605A"
     ]
   },
   "mediaPlayerPrivate": {
     "channel": "stable",
     "extension_types": ["extension", "legacy_packaged_app", "platform_app"],
     "location": "component"
   },
   "metricsPrivate": {
@@ skipping 384 matching lines @@
     // Only allowed for whitelisted extensions until all the caveats are
     // addressed. Tracked in crbug/285151.
     "channel": "stable",
     "extension_types": ["extension"],
     "location": "component",
     "whitelist": [
       "D519188F86D9ACCEE0412007B227D9936EB9676B"  // GAIA Component Extension
     ]
   }]
 }