Ensure proper finalization of garbage-collected types.

Source/modules/quota/WorkerNavigatorStorageQuota.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 21 matching lines @@
 #include "modules/quota/WorkerNavigatorStorageQuota.h"
 
 #include "modules/quota/DeprecatedStorageQuota.h"
 
 namespace WebCore {
 
 WorkerNavigatorStorageQuota::WorkerNavigatorStorageQuota()
 {
 }
 
-WorkerNavigatorStorageQuota::~WorkerNavigatorStorageQuota()
-{
-}
-
 const char* WorkerNavigatorStorageQuota::supplementName()
 {
     return "WorkerNavigatorStorageQuota";
 }
 
 WorkerNavigatorStorageQuota& WorkerNavigatorStorageQuota::from(WorkerNavigator& navigator)
 {
     WorkerNavigatorStorageQuota* supplement = static_cast<WorkerNavigatorStorageQuota*>(WillBeHeapSupplement<WorkerNavigator>::from(navigator, supplementName()));
     if (!supplement) {
         supplement = new WorkerNavigatorStorageQuota();
@@ skipping 26 matching lines @@
     return m_persistentStorage.get();
 }
 
 void WorkerNavigatorStorageQuota::trace(Visitor* visitor)
 {
     visitor->trace(m_temporaryStorage);
     visitor->trace(m_persistentStorage);
 }
 
 } // namespace WebCore