Tame the proliferation of UserContext constructors

chrome/browser/chromeos/login/auth/auth_attempt_state.h

 // Copyright 2014 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 CHROME_BROWSER_CHROMEOS_LOGIN_AUTH_AUTH_ATTEMPT_STATE_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_AUTH_AUTH_ATTEMPT_STATE_H_
 
 #include <string>
 
 #include "chrome/browser/chromeos/login/auth/login_status_consumer.h"
 #include "chrome/browser/chromeos/login/users/user.h"
 #include "google_apis/gaia/gaia_auth_consumer.h"
 #include "google_apis/gaia/gaia_auth_fetcher.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
 namespace chromeos {
 
-// Tracks the state associated with a single attempt to log in to chromium os.
+// Tracks the state associated with a single attempt to log in to chromium OS.
 // Enforces that methods are only called on the UI thread.
-
 class AuthAttemptState {
  public:
   // Used to initialize for a login attempt.
   AuthAttemptState(const UserContext& user_context,
-                   const std::string& login_token,
-                   const std::string& login_captcha,
-                   const User::UserType user_type,
-                   const bool user_is_new);
-
-  // Used to initialize for a externally authenticated login.
-  AuthAttemptState(const UserContext& user_context,
-                   const bool user_is_new);
-
-  // Used to initialize for a screen unlock attempt.
-  AuthAttemptState(const std::string& username, const std::string& password);
+                   User::UserType user_type,
+                   bool unlock,
+                   bool online_complete,
+                   bool user_is_new);
 
   virtual ~AuthAttemptState();
 
   // Copy |user_context| and copy |outcome| into this object, so we can have
   // a copy we're sure to own, and can make available on the UI thread.
   // Must be called from the UI thread.
   void RecordOnlineLoginStatus(
       const LoginFailure& outcome);
 
   // Copy |username_hash| into this object, so we can have
@@ skipping 70 matching lines @@
   // After the username hash request is completed, this marks whether
   // the request was successful.
   bool username_hash_valid_;
 
   DISALLOW_COPY_AND_ASSIGN(AuthAttemptState);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_AUTH_AUTH_ATTEMPT_STATE_H_