- 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
SecurityStateModel::SecurityLevel security_level) {
  switch (security_level) {
    case SecurityStateModel::NONE:
      return content::SECURITY_STYLE_UNAUTHENTICATED;
    case SecurityStateModel::SECURITY_WARNING:
    case SecurityStateModel::SECURITY_POLICY_WARNING:
      return content::SECURITY_STYLE_WARNING;
    case SecurityStateModel::EV_SECURE:
    case SecurityStateModel::SECURE:
      return content::SECURITY_STYLE_AUTHENTICATED;
    case SecurityStateModel::SECURITY_ERROR:
      return content::SECURITY_STYLE_AUTHENTICATION_BROKEN;
  }
  return content::SECURITY_STYLE_UNKNOWN;
}
}  
CommonWebContentsDelegate::CommonWebContentsDelegate()
    : html_fullscreen_(false),
      native_fullscreen_(false) {
}
CommonWebContentsDelegate::~CommonWebContentsDelegate() {