Make IDL Callbacks non-refcounted by default

Source/modules/quota/StorageInfo.h

Index: Source/modules/quota/StorageInfo.h
diff --git a/Source/modules/quota/StorageInfo.h b/Source/modules/quota/StorageInfo.h
index 437a168246f1176b06cec89b8fc5faee0fa46c93..6ac7b55c764d80c3bcb29601377a9319641259bf 100644
--- a/Source/modules/quota/StorageInfo.h
+++ b/Source/modules/quota/StorageInfo.h
@@ -56,9 +56,9 @@ public:
         return adoptRef(new StorageInfo());
     }
 
-    void queryUsageAndQuota(ExecutionContext*, int storageType, PassRefPtr<StorageUsageCallback>, PassRefPtr<StorageErrorCallback>);
+    void queryUsageAndQuota(ExecutionContext*, int storageType, PassOwnPtr<StorageUsageCallback>, PassOwnPtr<StorageErrorCallback>);
 
-    void requestQuota(ExecutionContext*, int storageType, unsigned long long newQuotaInBytes, PassRefPtr<StorageQuotaCallback>, PassRefPtr<StorageErrorCallback>);
+    void requestQuota(ExecutionContext*, int storageType, unsigned long long newQuotaInBytes, PassOwnPtr<StorageQuotaCallback>, PassOwnPtr<StorageErrorCallback>);
 
     ~StorageInfo();