- Electron version: >=0.37
- Operating system: ubuntu linux x64

When server send header 'WWW-Authenticate: Negotiate' electron not send kerberos ticket. 
`app.allowNTLMCredentialsForAllDomains(true)`  is called.

On electron v0.36.x it work's fine.

atom/browser/api/atom_api_app.h
#ifndef ATOM_BROWSER_API_ATOM_API_APP_H_
#define ATOM_BROWSER_API_ATOM_API_APP_H_
#include <string>
#include "atom/browser/api/event_emitter.h"
#include "atom/browser/atom_browser_client.h"
#include "atom/browser/browser_observer.h"
#include "atom/common/native_mate_converters/callback.h"
#include "chrome/browser/process_singleton.h"
#include "content/public/browser/gpu_data_manager_observer.h"
#include "native_mate/handle.h"
#include "net/base/completion_callback.h"
#if defined(USE_NSS_CERTS)
#include "chrome/browser/certificate_manager_model.h"
#endif
namespace base {
class FilePath;