Make IDL Callbacks non-refcounted by default

Source/modules/quota/StorageQuota.cpp

 /*
  * Copyright (C) 2011 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 32 matching lines @@
 #include "public/platform/WebStorageQuotaType.h"
 
 namespace WebCore {
 
 StorageQuota::StorageQuota(Type type)
     : m_type(type)
 {
     ScriptWrappable::init(this);
 }
 
-void StorageQuota::queryUsageAndQuota(ExecutionContext* executionContext, PassRefPtr<StorageUsageCallback> successCallback, PassRefPtr<StorageErrorCallback> errorCallback)
+void StorageQuota::queryUsageAndQuota(ExecutionContext* executionContext, PassOwnPtr<StorageUsageCallback> successCallback, PassOwnPtr<StorageErrorCallback> errorCallback)
 {
     ASSERT(executionContext);
 
     blink::WebStorageQuotaType storageType = static_cast<blink::WebStorageQuotaType>(m_type);
     if (storageType != blink::WebStorageQuotaTypeTemporary && storageType != blink::WebStorageQuotaTypePersistent) {
         // Unknown storage type is requested.
         executionContext->postTask(StorageErrorCallback::CallbackTask::create(errorCallback, NotSupportedError));
         return;
     }
 
     SecurityOrigin* securityOrigin = executionContext->securityOrigin();
     if (securityOrigin->isUnique()) {
         executionContext->postTask(StorageErrorCallback::CallbackTask::create(errorCallback, NotSupportedError));
         return;
     }
 
     KURL storagePartition = KURL(KURL(), securityOrigin->toString());
     blink::Platform::current()->queryStorageUsageAndQuota(storagePartition, storageType, WebStorageQuotaCallbacksImpl::createLeakedPtr(successCallback, errorCallback));
 }
 
 StorageQuota::~StorageQuota()
 {
 }
 
 } // namespace WebCore