1637059 - add/move permission to optional_permissions caused error

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:52.0) Gecko/20100101 Firefox/52.0

Steps to reproduce:

Moved webRequest fro permission to optional permission

1. on Firefox start
2. addon disable/enable

Tried to reproduce this as a separate xpi testcase for this bug, but there was all working.

Actual results:

1. on firefox start

can't access property "primeListener", api is undefined ExtensionCommon.jsm:2285
primeListeners resource://gre/modules/ExtensionCommon.jsm:2285
onManifestEntry chrome://extensions/content/parent/ext-backgroundPage.js:156
asyncEmitManifestEntry resource://gre/modules/ExtensionCommon.jsm:1546
AsyncFunctionNext self-hosted:693
(Async: async)
runManifest resource://gre/modules/Extension.jsm:2203
addStartupStatePromise resource://gre/modules/Extension.jsm:1905
addPromise resource://gre/modules/Extension.jsm:2197
runManifest resource://gre/modules/Extension.jsm:2202
startup resource://gre/modules/Extension.jsm:2504
addStartupStatePromise resource://gre/modules/Extension.jsm:1905
startup resource://gre/modules/Extension.jsm:2503
AsyncFunctionNext self-hosted:693
(Async: async)
startup resource://gre/modules/Extension.jsm:1699
callBootstrapMethod resource://gre/modules/addons/XPIProvider.jsm:1803
startup resource://gre/modules/addons/XPIProvider.jsm:1907
startup resource://gre/modules/addons/XPIProvider.jsm:2506
callProvider resource://gre/modules/AddonManager.jsm:212
_startProvider resource://gre/modules/AddonManager.jsm:583
startup resource://gre/modules/AddonManager.jsm:807
startup resource://gre/modules/AddonManager.jsm:3440
observe resource://gre/modules/addonManager.js:87
1589219456752 addons.xpi WARN Exception running bootstrap method startup on xxx-xxx@xxxxxxxx: TypeError: can't access property "primeListener", api is undefined(resource://gre/modules/ExtensionCommon.jsm:2285:11) JS Stack trace: [email protected]:2285:11
[email protected]:156:18
[email protected]:1546:18
async_runManifest/<@Extension.jsm:2203:[email protected]:1905:[email protected]:2197:[email protected]:2202:19startup/<@Extension.jsm:2504:[email protected]:1905:[email protected]:2503:[email protected]:1699:27
[email protected]:1803:33
[email protected]:1907:32
[email protected]:2506:39
[email protected]:212:31
[email protected]:583:17
[email protected]:807:14
[email protected]:3440:26
[email protected]:87:29

1. addon disable/enable
   no failure

Expected results:

1. on Firefox start
   no failure

2. addon disable/enable
   no failure