MediaPerceptionPrivate IDL and skeleton.

extensions/common/api/_permission_features.json

 // Copyright 2014 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/extensions.
 // 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:
@@ skipping 231 matching lines @@
         "D4EFCCC0CC612380762758BB96C7997224BD6395",  // http://crbug.com/710541
         "4839A26B29CD1BD021B2E126EF6D28C9CB84018B",  // http://crbug.com/710541
         "8F44FBB4474CCDF23450B166C9E83E85BD03AE24"   // http://crbug.com/710541
       ]
     }
   ],
   "idle": {
     "channel": "stable",
     "extension_types": ["extension", "legacy_packaged_app", "platform_app"]
   },
+  "mediaPerceptionPrivate": {
+    "channel": "trunk",
+    "extension_types": ["platform_app"],
+    "platforms": ["chromeos"],
+    "whitelist": [
+      "E703483CEF33DEC18B4B6DD84B5C776FB9182BDB",  // http://crbug.com/720495

[tbarzic, 2017/05/11 17:53:03]

can you also link this bug in the CL description

Speaking of the cl description, could you add some more information there. e.g.
briefly describe what the API does.

[Luke Sorenson, 2017/05/11 18:35:06]

Done.

+      "A3BC37E2148AC4E99BE4B16AF9D42DD1E592BBBE",  // http://crbug.com/720495
+      "1C93BD3CF875F4A73C0B2A163BB8FBDA8B8B3D80",  // http://crbug.com/720495
+      "307E96539209F95A1A8740C713E6998A73657D96",  // http://crbug.com/720495
+      "4F25792AF1AA7483936DE29C07806F203C7170A0",  // http://crbug.com/720495
+      "BD8781D757D830FC2E85470A1B6E8A718B7EE0D9",  // http://crbug.com/720495
+      "4AC2B6C63C6480D150DFDA13E4A5956EB1D0DDBB",  // http://crbug.com/720495
+      "81986D4F846CEDDDB962643FA501D1780DD441BB",  // http://crbug.com/720495
+      "3970B660353CA07962DAD1A5C1B75A7B87835943"   // http://crbug.com/720495
+    ]
+  },
   "metricsPrivate": {
     "channel": "stable",
     "extension_types": ["extension", "legacy_packaged_app", "platform_app"],
     "whitelist": [
       // The file manager and Google Now are component extensions, and they can
       // currently use whitelisted interfaces without being on the corresponding
       // whitelist.
       // Adding it to this whitelist documents their dependency, however, and
       // also doesn't hurt anything.
       "A948368FC53BE437A55FEB414106E207925482F5",  // File manager
@@ skipping 285 matching lines @@
       "06BE211D5F014BAB34BC22D9DDA09C63A81D828E",  // Official XKB virtual kbd
       "CFBF7EE448FA48960FFDA7CEB30F7A21B26AA981",  // Official m17n virtual kbd
       "F94EE6AB36D6C6588670B2B01EB65212D9C64E33",  // Public XKB virtual kbd
       "3E03D9B67FDD31B2438D1CF5070573415DCB3CBA",  // Public m17n virtual kbd
       "E703483CEF33DEC18B4B6DD84B5C776FB9182BDB",  // Stable external hotrod app
       "A3BC37E2148AC4E99BE4B16AF9D42DD1E592BBBE",  // Beta external hotrod app
       "1C93BD3CF875F4A73C0B2A163BB8FBDA8B8B3D80",  // Alpha external hotrod app
       "307E96539209F95A1A8740C713E6998A73657D96",  // Dev external hotrod app
       "4F25792AF1AA7483936DE29C07806F203C7170A0",  // Stable internal hotrod app
       "BD8781D757D830FC2E85470A1B6E8A718B7EE0D9",  // Beta internal hotrod app
-      "4AC2B6C63C6480D150DFDA13E4A5956EB1D0DDBB",  // Alpha external hotrod app
-      "81986D4F846CEDDDB962643FA501D1780DD441BB"   // Dev external hotrod app
+      "4AC2B6C63C6480D150DFDA13E4A5956EB1D0DDBB",  // Alpha internal hotrod app
+      "81986D4F846CEDDDB962643FA501D1780DD441BB"   // Dev internal hotrod app
     ]
   },
   "vpnProvider": {
     "channel": "stable",
     "extension_types": ["extension", "platform_app"],
     "platforms": ["chromeos"]
   },
   "webview": [{
     "channel": "stable",
     "extension_types": ["platform_app"]
   }, {
     "channel": "stable",
     "extension_types": ["extension"],
     "whitelist": [
       "63ED55E43214C211F82122ED56407FF1A807F2A3",  // http://crbug.com/500075
       "226CF815E39A363090A1E547D53063472B8279FA"   // http://crbug.com/500075
     ]
   }],
   "webRequest": {
     "channel": "stable",
     "extension_types": ["extension", "legacy_packaged_app"]
    },
   "webRequestBlocking": {
     "channel": "stable",
     "extension_types": ["extension", "legacy_packaged_app"]
   }
 }