[net] Remove AuthData from net/base/auth.h.

net/base/auth.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_BASE_AUTH_H__
 #define NET_BASE_AUTH_H__
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 71 matching lines @@
 };
 
 // Authentication structures
 enum AuthState {
   AUTH_STATE_DONT_NEED_AUTH,
   AUTH_STATE_NEED_AUTH,
   AUTH_STATE_HAVE_AUTH,
   AUTH_STATE_CANCELED
 };
 
-class AuthData : public base::RefCountedThreadSafe<AuthData> {
- public:
-  AuthState state;  // whether we need, have, or gave up on authentication.
-  AuthCredentials credentials; // The credentials to use for auth.
-
-  // We wouldn't instantiate this class if we didn't need authentication.
-  AuthData();
-
- private:
-  friend class base::RefCountedThreadSafe<AuthData>;
-  ~AuthData();
-};
-
 }  // namespace net
 
 #endif  // NET_BASE_AUTH_H__