Bug 1750515 - Enable NavigationPreload API on Nightly. r=dom-worker-reviewers,smaug

Depends on D137599

Differential Revision: https://phabricator.services.mozilla.com/D136215

dom/serviceworkers/test/test_serviceworker_interfaces.js

@@ -226,6 +226,8 @@ var interfaceNamesInGlobalScope = [
   // IMPORTANT: Do not change this list without review from a DOM peer!
   { name: "NetworkInformation", android: true },
   // IMPORTANT: Do not change this list without review from a DOM peer!
+  "NavigationPreloadManager",
+  // IMPORTANT: Do not change this list without review from a DOM peer!
   "Notification",
   // IMPORTANT: Do not change this list without review from a DOM peer!
   "NotificationEvent",

dom/tests/mochitest/general/test_interfaces.js

@@ -797,6 +797,8 @@ var interfaceNamesInGlobalScope = [
   // IMPORTANT: Do not change this list without review from a DOM peer!
   { name: "NamedNodeMap", insecureContext: true },
   // IMPORTANT: Do not change this list without review from a DOM peer!
+  "NavigationPreloadManager",
+  // IMPORTANT: Do not change this list without review from a DOM peer!
   { name: "Navigator", insecureContext: true },
   // IMPORTANT: Do not change this list without review from a DOM peer!
   { name: "NetworkInformation", insecureContext: true, desktop: false },

dom/workers/test/test_worker_interfaces.js

@@ -225,6 +225,8 @@ var interfaceNamesInGlobalScope = [
   // IMPORTANT: Do not change this list without review from a DOM peer!
   { name: "MessagePort", insecureContext: true },
   // IMPORTANT: Do not change this list without review from a DOM peer!
+  "NavigationPreloadManager",
+  // IMPORTANT: Do not change this list without review from a DOM peer!
   { name: "NetworkInformation", insecureContext: true, android: true },
   // IMPORTANT: Do not change this list without review from a DOM peer!
   { name: "Notification", insecureContext: true },

modules/libpref/init/StaticPrefList.yaml

@@ -3397,7 +3397,7 @@
 
 - name: dom.serviceWorkers.navigationPreload.enabled
   type: RelaxedAtomicBool
-  value: false
+  value: @IS_NIGHTLY_BUILD@
   mirror: always
 
 # Mitigates ServiceWorker navigation faults by bypassing the ServiceWorker on