Notify launcher page with onTransitionChanged event

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 559 matching lines @@
       "3010EF507AFEF487EEA9CDE2930EC94867C60936",  // Citrix Receiver Beta
       "ABAABC5F49E022A76CBB12972A53B58354C04AC6",  // Citrix Receiver Dev
       "0EA6B717932AD64C469C1CCB6911457733295907",  // HTerm
       "58B0C2968C335964D5433E89CA4D86628A0E3D4B"   // HTerm dev
     ]
   },{
     "channel": "stable",
     "extension_types": ["extension", "legacy_packaged_app", "platform_app"],
     "location": "component"
   }],
+  "launcherPagePrivate" : {
+    "channel": "stable",
+    "extension_types": ["platform_app"],
+    "whitelist": [
+      "07BD6A765FFC289FF755D7CAB2893A40EC337FEC",  // http://crbug.com/404000

[Matt Giuca, 2014/10/28 05:41:22]

Is there a way to avoid duplicating this whitelist?

[calamity, 2014/10/28 06:34:21]

Done.

+      "896B85CC7E913E11C34892C1425A093C0701D386",  // http://crbug.com/404000
+      "11A01C82EF355E674E4F9728A801F5C3CB40D83F"   // http://crbug.com/404000
+    ]
+  },
   "location": [
     {
       "channel": "dev",
       "extension_types": [
         "extension", "legacy_packaged_app", "platform_app"
       ]
     },
     {
       "channel": "stable",
       "extension_types": [
@@ skipping 461 matching lines @@
   "webstorePrivate": {
     "channel": "stable",
     "extension_types": ["extension", "legacy_packaged_app", "hosted_app"],
     "whitelist": [
       "B44D08FD98F1523ED5837D78D0A606EA9D6206E5",  // Web Store
       "2653F6F6C39BC6EEBD36A09AFB92A19782FF7EB4",  // Enterprise Web Store
       "2779FA8B45841D61A37207CCFAC9CB393964FE5B"   // Login Proxy (prototype)
     ]
   }
 }