[BackgroundSync] One-shots should fire only when online

Source/modules/background_sync/SyncManager.cpp

Index: Source/modules/background_sync/SyncManager.cpp
diff --git a/Source/modules/background_sync/SyncManager.cpp b/Source/modules/background_sync/SyncManager.cpp
index bac471a60adb2e57b9dd66221c145251457bae3c..55142cb791b095c45bce096d2cb0fb563dbc727d 100644
--- a/Source/modules/background_sync/SyncManager.cpp
+++ b/Source/modules/background_sync/SyncManager.cpp
@@ -53,7 +53,7 @@ ScriptPromise SyncManager::registerFunction(ScriptState* scriptState, const Sync
         WebSyncRegistration::PeriodicityOneShot,
         options.tag(),
         0 /* minPeriod */,
-        WebSyncRegistration::NetworkStateAny /* networkState */,
+        WebSyncRegistration::NetworkStateOnline /* networkState */,
         WebSyncRegistration::PowerStateAuto /* powerState */
     );
     backgroundSyncProvider()->registerBackgroundSync(webSyncRegistration, m_registration->webRegistration(), new SyncRegistrationCallbacks(resolver, m_registration));