IsProxyError      637 chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc       !IsProxyError(state, reason, FrameError())) {
IsProxyError      656 chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc   const bool is_proxy_error = IsProxyError(state, reason, FrameError());
IsProxyError       80 components/policy/core/common/cloud/device_management_service.cc       IsProxyError(fetcher->GetStatus())) {