- Electron version: 0.36.12, 0.37.6
- Operating system: Kubuntu 15.10

Try Ctrl+Shift+F, find progress freeze always.

atom/browser/common_web_contents_delegate.cc
if (net::IsCertStatusError(security_info.cert_status)) {
    std::string error_string = net::ErrorToString(
        net::MapCertStatusToNetError(security_info.cert_status));
    content::SecurityStyleExplanation explanation(
        kCertificateError,
        "There are issues with the site's certificate chain " + error_string,
        security_info.cert_id);
    if (net::IsCertStatusMinorError(security_info.cert_status))
      explanations->unauthenticated_explanations.push_back(explanation);
    else
      explanations->broken_explanations.push_back(explanation);
  } else {
    if (security_info.sha1_deprecation_status ==
        SecurityStateModel::NO_DEPRECATED_SHA1) {
      explanations->secure_explanations.push_back(
          content::SecurityStyleExplanation(
              kValidCertificate,
              kValidCertificateDescription,
              security_info.cert_id));
    }
  }
  if (security_info.is_secure_protocol_and_ciphersuite) {
    explanations->secure_explanations.push_back(
        content::SecurityStyleExplanation(
            kSecureProtocol,
            kSecureProtocolDescription));
  }
  return security_style;
}
void CommonWebContentsDelegate::DevToolsSaveToFile(