Oilpan: finalization of Permissions and SyncManager not needed.

Source/modules/background_sync/SyncManager.h

Index: Source/modules/background_sync/SyncManager.h
diff --git a/Source/modules/background_sync/SyncManager.h b/Source/modules/background_sync/SyncManager.h
index 6eca1a04fe2399c7708e5082be801bcb5e660859..5333b2ee4789147bfaabce82a88e9ab060637c26 100644
--- a/Source/modules/background_sync/SyncManager.h
+++ b/Source/modules/background_sync/SyncManager.h
@@ -16,14 +16,13 @@ class ScriptPromise;
 class ScriptState;
 class ServiceWorkerRegistration;
 
-class SyncManager final : public GarbageCollectedFinalized<SyncManager> , public ScriptWrappable {
+class SyncManager final : public GarbageCollected<SyncManager> , public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static SyncManager* create(ServiceWorkerRegistration* registration)
     {
         return new SyncManager(registration);
     }
-    ~SyncManager() { }
 
     unsigned long minAllowablePeriod();