Update whitelist for enterprise.platformKeysPrivate.

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.
 
 // This features file defines permissions for extension APIs implemented
 // under src/chrome.
 // See extensions/common/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:
@@ skipping 341 matching lines @@
     "extension_types": ["extension", "legacy_packaged_app"],
     "location": "policy"
   },
   "enterprise.platformKeysPrivate": {
     "channel": "stable",
     "extension_types": ["extension", "legacy_packaged_app"],
     "platforms": ["chromeos"],
     "whitelist": [
       "657FEC7E77355CA205B0E226586621F86B33F611",  // http://crbug.com/246857
       "5894126C625EF31852F215ED301A5FF1F9B7D026",  // http://crbug.com/246857
-      "8DAE23A10703C926B21862B2F318FB4E110B17BD"   // http://crbug.com/487455
+      "8DAE23A10703C926B21862B2F318FB4E110B17BD",  // http://crbug.com/487455
+      "34412790FC81BC9B563CBE599ED10ABF26B209F7"   // http://crbug.com/509149
     ]
   },
   "experienceSamplingPrivate": {
     "channel": "stable",
     "extension_types": ["extension"],
     "whitelist": [
       "0B5B953E53AC1859AC1DD3F67E115D1A5C2D6123"  // https://crbug.com/384635
     ]
   },
   "experimental": {
@@ skipping 683 matching lines @@
     "channel": "stable",
     "extension_types": ["platform_app"],
     "platforms": ["chromeos"],
     "whitelist": [
       "A948368FC53BE437A55FEB414106E207925482F5",  // Files app
       "8C726564C6DBE7380BAB388DE6CC7EC93EB44B06",  // Video player
       "5065C83E84321221675D20FBE4DC43C655CC8C6F"   // Files app tests
     ]
   }
 }