Make IDL Callbacks non-refcounted by default

Source/modules/quota/StorageInfo.cpp

Index: Source/modules/quota/StorageInfo.cpp
diff --git a/Source/modules/quota/StorageInfo.cpp b/Source/modules/quota/StorageInfo.cpp
index 3aa8041068c6d64743e134a506a56688414655e8..19133ef88c5693bfa27ae07eb2c8a95c4a1b80fa 100644
--- a/Source/modules/quota/StorageInfo.cpp
+++ b/Source/modules/quota/StorageInfo.cpp
@@ -51,7 +51,7 @@ StorageInfo::~StorageInfo()
 {
 }
 
-void StorageInfo::queryUsageAndQuota(ExecutionContext* executionContext, int storageType, PassRefPtr<StorageUsageCallback> successCallback, PassRefPtr<StorageErrorCallback> errorCallback)
+void StorageInfo::queryUsageAndQuota(ExecutionContext* executionContext, int storageType, PassOwnPtr<StorageUsageCallback> successCallback, PassOwnPtr<StorageErrorCallback> errorCallback)
 {
     // Dispatching the request to StorageQuota, as this interface is deprecated in favor of StorageQuota.
     StorageQuota* storageQuota = getStorageQuota(storageType);
@@ -63,7 +63,7 @@ void StorageInfo::queryUsageAndQuota(ExecutionContext* executionContext, int sto
     storageQuota->queryUsageAndQuota(executionContext, successCallback, errorCallback);
 }
 
-void StorageInfo::requestQuota(ExecutionContext* executionContext, int storageType, unsigned long long newQuotaInBytes, PassRefPtr<StorageQuotaCallback> successCallback, PassRefPtr<StorageErrorCallback> errorCallback)
+void StorageInfo::requestQuota(ExecutionContext* executionContext, int storageType, unsigned long long newQuotaInBytes, PassOwnPtr<StorageQuotaCallback> successCallback, PassOwnPtr<StorageErrorCallback> errorCallback)
 {
     // Dispatching the request to StorageQuota, as this interface is deprecated in favor of StorageQuota.
     StorageQuota* storageQuota = getStorageQuota(storageType);