PreventPreflight  101 Source/core/loader/DocumentThreadableLoader.cpp     if ((m_options.preflightPolicy == ConsiderPreflight && isSimpleCrossOriginAccessRequest(request.httpMethod(), request.httpHeaderFields())) || m_options.preflightPolicy == PreventPreflight) {
PreventPreflight  141 Source/core/page/EventSource.cpp     options.preflightPolicy = PreventPreflight;
PreventPreflight  315 Source/web/AssociatedURLLoader.cpp COMPILE_ASSERT_MATCHING_ENUM(WebURLLoaderOptions::PreventPreflight, PreventPreflight);