Bug 1950564 - QM: Add a shutdown check to QuotaManager::EnsureTemporaryGroupIsInitializedInternal; r=dom-storage-reviewers,jstutte

Differential Revision: https://phabricator.services.mozilla.com/D240577

dom/quota/ActorsParent.cpp

@@ -5862,6 +5862,10 @@ Result<Ok, nsresult> QuotaManager::EnsureTemporaryGroupIsInitializedInternal(
     // origins. This is going to change soon with the planned asynchronous
     // temporary origin initialization done in the background.
     for (const auto& originMetadata : *array) {
+      if (NS_WARN_IF(IsShuttingDown())) {
+        return Err(NS_ERROR_ABORT);
+      }
+
       if (IsTemporaryOriginInitializedInternal(originMetadata)) {
         continue;
       }

dom/quota/test/xpcshell/test_shutdownDuringAllTemporaryOriginsInitialization.js

@@ -176,7 +176,7 @@ async function testShutdownDuringAllTemporaryOriginsInitialization() {
   // fail. However, we can determine if the initialization of all origins was
   // aborted due to shutdown by checking for the existence of origin metadata
   // files, which were artificially removed earlier.
-  todo(
+  Assert.ok(
     metadata1.exists() != metadata2.exists(),
     "Metadata for the second origin is not restored"
   );