The platform notification context should observe the Service Worker Context.

content/browser/storage_partition_impl.cc

Index: content/browser/storage_partition_impl.cc
diff --git a/content/browser/storage_partition_impl.cc b/content/browser/storage_partition_impl.cc
index 55f3c73cd4b184f9dc7533fa1f9518c61c2da44d..29d434a61cbc632b5a7d89867a39bba220e7716c 100644
--- a/content/browser/storage_partition_impl.cc
+++ b/content/browser/storage_partition_impl.cc
@@ -417,6 +417,9 @@ StoragePartitionImpl::~StoragePartitionImpl() {
 
   if (GetGeofencingManager())
     GetGeofencingManager()->Shutdown();
+
+  if (GetPlatformNotificationContext())
+    GetPlatformNotificationContext()->Shutdown();
 }
 
 StoragePartitionImpl* StoragePartitionImpl::Create(
@@ -500,7 +503,7 @@ StoragePartitionImpl* StoragePartitionImpl::Create(
       new NavigatorConnectServiceWorkerServiceFactory(service_worker_context)));
 
   scoped_refptr<PlatformNotificationContextImpl> platform_notification_context =
-      new PlatformNotificationContextImpl(path);
+      new PlatformNotificationContextImpl(path, service_worker_context);
 
   StoragePartitionImpl* storage_partition = new StoragePartitionImpl(
       context, partition_path, quota_manager.get(), appcache_service.get(),