Manage WebSQL callbacks with OwnPtr instead of refcounting

Source/modules/webdatabase/SQLTransactionSync.cpp

Index: Source/modules/webdatabase/SQLTransactionSync.cpp
diff --git a/Source/modules/webdatabase/SQLTransactionSync.cpp b/Source/modules/webdatabase/SQLTransactionSync.cpp
index e9c6861dd4e7156213ff366cd233de7c3ba8ba8e..677d6c5d3f2495a01591e22d2baf254cae5776c9 100644
--- a/Source/modules/webdatabase/SQLTransactionSync.cpp
+++ b/Source/modules/webdatabase/SQLTransactionSync.cpp
@@ -38,12 +38,12 @@
 
 namespace WebCore {
 
-PassRefPtr<SQLTransactionSync> SQLTransactionSync::create(DatabaseSync* db, PassRefPtr<SQLTransactionSyncCallback> callback, bool readOnly)
+PassRefPtr<SQLTransactionSync> SQLTransactionSync::create(DatabaseSync* db, PassOwnPtr<SQLTransactionSyncCallback> callback, bool readOnly)
 {
     return adoptRef(new SQLTransactionSync(db, callback, readOnly));
 }
 
-SQLTransactionSync::SQLTransactionSync(DatabaseSync* db, PassRefPtr<SQLTransactionSyncCallback> callback, bool readOnly)
+SQLTransactionSync::SQLTransactionSync(DatabaseSync* db, PassOwnPtr<SQLTransactionSyncCallback> callback, bool readOnly)
     : SQLTransactionBackendSync(db, callback, readOnly)
 {
     ASSERT(m_database->executionContext()->isContextThread());