performOpenAndVerify   71 Source/modules/webdatabase/DatabaseBackend.cpp bool DatabaseBackend::performOpenAndVerify(bool setVersionInNewDatabase, DatabaseError& error, String& errorMessage)
performOpenAndVerify  311 Source/modules/webdatabase/DatabaseBackendBase.cpp bool DatabaseBackendBase::performOpenAndVerify(bool shouldSetVersionInNewDatabase, DatabaseError& error, String& errorMessage)