void FrameLoader::loadWithNavigationAction(const ResourceRequest& request, const NavigationAction& action, bool lockHistory, FrameLoadType type, PassRefPtr<FormState> formState)
{
    RefPtr<DocumentLoader> loader = m_client->createDocumentLoader(request, SubstituteData());
    if (lockHistory && m_documentLoader)
        loader->setClientRedirectSourceForHistory(m_documentLoader->didCreateGlobalHistoryEntry() ? m_documentLoader->urlForHistory() : m_documentLoader->clientRedirectSourceForHistory());

    loader->setTriggeringAction(action);
    if (m_documentLoader)
        loader->setOverrideEncoding(m_documentLoader->overrideEncoding());

    loadWithDocumentLoader(loader.get(), type, formState);
}

Unknown