defaultSubstituteDataForURL 1251 Source/core/loader/FrameLoader.cpp     m_policyDocumentLoader = m_client->createDocumentLoader(m_frame, request, substituteData.isValid() ? substituteData : defaultSubstituteDataForURL(request.url()));
defaultSubstituteDataForURL  209 Source/core/loader/FrameLoader.h     SubstituteData defaultSubstituteDataForURL(const KURL&);