Bug 1555584 - SearchSuggestEnabled policy should affect to the separate search bar r=mkaply

Differential Revision: https://phabricator.services.mozilla.com/D33132

--HG--
extra : moz-landing-system : lando

browser/components/enterprisepolicies/Policies.jsm

@@ -1059,6 +1059,7 @@ var Policies = {
   "SearchSuggestEnabled": {
     onBeforeAddons(manager, param) {
       setAndLockPref("browser.urlbar.suggest.searches", param);
+      setAndLockPref("browser.search.suggest.enabled", param);
     },
   },
 

browser/components/enterprisepolicies/tests/xpcshell/test_simple_pref_policies.js

@@ -425,6 +425,7 @@ const POLICIES_TESTS = [
     },
     lockedPrefs: {
       "browser.urlbar.suggest.searches": false,
+      "browser.search.suggest.enabled": false,
     },
   },