Use AuthCredentials throughout the network stack instead of username/password.

net/url_request/url_request_job.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_JOB_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/string16.h"
 #include "base/system_monitor/system_monitor.h"
 #include "base/task.h"
 #include "base/time.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/filter.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/load_states.h"
 #include "net/base/net_export.h"
 
 namespace net {
 
 class AuthChallengeInfo;
+class AuthCredentials;
 class CookieList;
 class CookieOptions;
 class HttpRequestHeaders;
 class HttpResponseInfo;
 class IOBuffer;
 class SSLCertRequestInfo;
 class SSLInfo;
 class URLRequest;
 class UploadData;
 class URLRequestStatus;
@@ skipping 108 matching lines @@
   // Called to determine if this response is asking for authentication.  Only
   // makes sense for some types of requests.  The caller is responsible for
   // obtaining the credentials passing them to SetAuth.
   virtual bool NeedsAuth();
 
   // Fills the authentication info with the server's response.
   virtual void GetAuthChallengeInfo(
       scoped_refptr<AuthChallengeInfo>* auth_info);
 
   // Resend the request with authentication credentials.
-  virtual void SetAuth(const string16& username,
-                       const string16& password);
+  virtual void SetAuth(const AuthCredentials& credentials);
 
   // Display the error page without asking for credentials again.
   virtual void CancelAuth();
 
   virtual void ContinueWithCertificate(X509Certificate* client_cert);
 
   // Continue processing the request ignoring the last error.
   virtual void ContinueDespiteLastError();
 
   void FollowDeferredRedirect();
@@ skipping 208 matching lines @@
   int deferred_redirect_status_code_;
 
   ScopedRunnableMethodFactory<URLRequestJob> method_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestJob);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_JOB_H_