Whitelist accessibilityPrivate APIs

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 chrome/common/extensions/api/_features.md to understand this file, as
 // well as feature.h, simple_feature.h, and feature_provider.h.
 
 // If you add a new platform_app permission please update the "stubs_app" test:
 // chrome/test/data/extensions/api_test/stubs_app/manifest.json
 
 {
   "accessibilityFeatures.modify": {
     "channel": "stable",
     "extension_types": ["extension", "platform_app"]
   },
   "accessibilityFeatures.read": {
     "channel": "stable",
     "extension_types": ["extension", "platform_app"]
   },
   "accessibilityPrivate": {

[lazyboy, 2017/05/09 16:28:25]

Add two separate entries for accessibilityPrivate.onTwoFingerTouchStart/Stop as
suggested in the bug.

I think you can specify "session_types": ["kiosk"] to limit those to kiosk only.

     "channel": "stable",
     "extension_types": ["extension", "legacy_packaged_app", "platform_app"],
-    "whitelist": [ "2FCBCE08B34CCA1728A85F1EFBD9A34DD2558B2E" ]
+    "whitelist": [
+      "2FCBCE08B34CCA1728A85F1EFBD9A34DD2558B2E",

[dmazzoni, 2017/05/03 15:05:21]

Comment this one as ChromeVox

+      "E703483CEF33DEC18B4B6DD84B5C776FB9182BDB",  // http://crbug.com/717501

[dmazzoni, 2017/05/03 15:05:21]

Rather than a bug, comment it with the name of the app/extension.

[lazyboy, 2017/05/09 16:28:25]

+1

+      "A3BC37E2148AC4E99BE4B16AF9D42DD1E592BBBE",  // http://crbug.com/717501
+      "1C93BD3CF875F4A73C0B2A163BB8FBDA8B8B3D80",  // http://crbug.com/717501
+      "307E96539209F95A1A8740C713E6998A73657D96",  // http://crbug.com/717501
+      "4F25792AF1AA7483936DE29C07806F203C7170A0",  // http://crbug.com/717501
+      "BD8781D757D830FC2E85470A1B6E8A718B7EE0D9",  // http://crbug.com/717501
+      "4AC2B6C63C6480D150DFDA13E4A5956EB1D0DDBB",  // http://crbug.com/717501
+      "81986D4F846CEDDDB962643FA501D1780DD441BB"   // http://crbug.com/717501
+    ]
   },
   "activeTab": {
     "channel": "stable",
     "extension_types": ["extension", "legacy_packaged_app"],
     "min_manifest_version": 2
   },
   "activityLogPrivate": {
     "channel": "stable",
     "extension_types": ["extension", "platform_app"],
     "whitelist": [
@@ skipping 877 matching lines @@
     "channel": "stable",
     "extension_types": ["platform_app"],
     "platforms": ["chromeos"],
     "whitelist": [
       "A948368FC53BE437A55FEB414106E207925482F5",  // Files app
       "8C726564C6DBE7380BAB388DE6CC7EC93EB44B06",  // Video player
       "5065C83E84321221675D20FBE4DC43C655CC8C6F"   // Files app tests
     ]
   }
 }