Revert of Extract LoginPerformer to chromeos/auth

chromeos/login/auth/login_performer.h

Index: chromeos/login/auth/login_performer.h
diff --git a/chromeos/login/auth/login_performer.h b/chromeos/login/auth/login_performer.h
deleted file mode 100644
index 318fc4add8c365a250669047aeb414200c26de73..0000000000000000000000000000000000000000
--- a/chromeos/login/auth/login_performer.h
+++ /dev/null
@@ -1,232 +0,0 @@
-// 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 CHROMEOS_LOGIN_AUTH_LOGIN_PERFORMER_H_
-#define CHROMEOS_LOGIN_AUTH_LOGIN_PERFORMER_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/callback.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "chromeos/chromeos_export.h"
-#include "chromeos/login/auth/auth_status_consumer.h"
-#include "chromeos/login/auth/authenticator.h"
-#include "chromeos/login/auth/extended_authenticator.h"
-#include "chromeos/login/auth/online_attempt_host.h"
-#include "chromeos/login/auth/user_context.h"
-#include "google_apis/gaia/google_service_auth_error.h"
-
-namespace net {
-class URLRequestContextGetter;
-}
-
-namespace policy {
-class WildcardLoginChecker;
-}
-
-namespace content {
-class BrowserContext;
-}
-
-namespace chromeos {
-
-// This class encapsulates sign in operations.
-// Sign in is performed in a way that offline auth is executed first.
-// Once offline auth is OK - user homedir is mounted, UI is launched.
-// At this point LoginPerformer |delegate_| is destroyed and it releases
-// LP instance ownership. LP waits for online login result.
-// If auth is succeeded, cookie fetcher is executed, LP instance deletes itself.
-//
-// If |delegate_| is not NULL it will handle error messages, password input.
-class CHROMEOS_EXPORT LoginPerformer : public AuthStatusConsumer,
-                                       public OnlineAttemptHost::Delegate {
- public:
-  typedef enum AuthorizationMode {
-    // Authorization performed internally by Chrome.
-    AUTH_MODE_INTERNAL,
-    // Authorization performed by an extension.
-    AUTH_MODE_EXTENSION
-  } AuthorizationMode;
-
-  // Delegate class to get notifications from the LoginPerformer.
-  class Delegate : public AuthStatusConsumer {
-   public:
-    virtual ~Delegate() {}
-    virtual void WhiteListCheckFailed(const std::string& email) = 0;
-    virtual void PolicyLoadFailed() = 0;
-    virtual void OnOnlineChecked(const std::string& email, bool success) = 0;
-  };
-
-  LoginPerformer(scoped_refptr<base::TaskRunner> task_runner,
-                 Delegate* delegate);
-  virtual ~LoginPerformer();
-
-  // Performs a login for |user_context|.
-  // If auth_mode is AUTH_MODE_EXTENSION, there are no further auth checks,
-  // AUTH_MODE_INTERNAL will perform auth checks.
-  void PerformLogin(const UserContext& user_context,
-                    AuthorizationMode auth_mode);
-
-  // Performs supervised user login with a given |user_context|.
-  void LoginAsSupervisedUser(const UserContext& user_context);
-
-  // Performs retail mode login.
-  void LoginRetailMode();
-
-  // Performs actions to prepare guest mode login.
-  void LoginOffTheRecord();
-
-  // Performs public session login with a given |user_context|.
-  void LoginAsPublicSession(const UserContext& user_context);
-
-  // Performs a login into the kiosk mode account with |app_user_id|.
-  void LoginAsKioskAccount(const std::string& app_user_id,
-                           bool use_guest_mount);
-
-  // AuthStatusConsumer implementation:
-  virtual void OnAuthFailure(const AuthFailure& error) override;
-  virtual void OnRetailModeAuthSuccess(
-      const UserContext& user_context) override;
-  virtual void OnAuthSuccess(const UserContext& user_context) override;
-  virtual void OnOffTheRecordAuthSuccess() override;
-  virtual void OnPasswordChangeDetected() override;
-
-  // Migrates cryptohome using |old_password| specified.
-  void RecoverEncryptedData(const std::string& old_password);
-
-  // Reinitializes cryptohome with the new password.
-  void ResyncEncryptedData();
-
-  // Returns latest auth error.
-  const GoogleServiceAuthError& error() const {
-    return last_login_failure_.error();
-  }
-
-  // True if password change has been detected.
-  bool password_changed() { return password_changed_; }
-
-  // Number of times we've been called with OnPasswordChangeDetected().
-  // If user enters incorrect old password, same LoginPerformer instance will
-  // be called so callback count makes it possible to distinguish initial
-  // "password changed detected" event from further attempts to enter old
-  // password for cryptohome migration (when > 1).
-  int password_changed_callback_count() {
-    return password_changed_callback_count_;
-  }
-
-  void set_delegate(Delegate* delegate) { delegate_ = delegate; }
-
-  AuthorizationMode auth_mode() const { return auth_mode_; }
-
- protected:
-  // Implements OnlineAttemptHost::Delegate.
-  virtual void OnChecked(const std::string& user_id, bool success) override;
-
-  // Platform-dependant methods to be implemented by concrete class.
-
-  // Run trusted check for a platform. If trusted check have to be performed
-  // asynchronously, |false| will be returned, and either delegate's
-  // PolicyLoadFailed() or |callback| will be called upon actual check.
-  virtual bool RunTrustedCheck(const base::Closure& callback) = 0;
-
-  // Check if user is allowed to sign in on device. |wildcard_match| will
-  // contain additional information whether this user is explicitly listed or
-  // not (may be relevant for extension-based sign-in).
-  virtual bool IsUserWhitelisted(const std::string& user_id,
-                                 bool* wildcard_match) = 0;
-
-  // This method should run addional online check if user can sign in on device.
-  // Either |success_callback| or |failure_callback| should be called upon this
-  // check.
-  virtual void RunOnlineWhitelistCheck(
-      const std::string& user_id,
-      bool wildcard_match,
-      const base::Closure& success_callback,
-      const base::Closure& failure_callback) = 0;
-
-  // Supervised users-related methods.
-
-  // Check if supervised users are allowed on this device.
-  virtual bool AreSupervisedUsersAllowed() = 0;
-
-  // Check which authenticator should be used for supervised user.
-  virtual bool UseExtendedAuthenticatorForSupervisedUser(
-      const UserContext& user_context) = 0;
-
-  // Probably transform supervised user's authentication key.
-  virtual UserContext TransformSupervisedKey(const UserContext& context) = 0;
-
-  // Set up sign-in flow for supervised user.
-  virtual void SetupSupervisedUserFlow(const std::string& user_id) = 0;
-
-  // Run policy check for |user_id|. If something is wrong, delegate's
-  // PolicyLoadFailed is called.
-  virtual bool CheckPolicyForUser(const std::string& user_id) = 0;
-
-  // Look up browser context to use during signin.
-  virtual content::BrowserContext* GetSigninContext() = 0;
-
-  // Get RequestContext used for sign in.
-  virtual net::URLRequestContextGetter* GetSigninRequestContext() = 0;
-
-  // Create authenticator implementation.
-  virtual scoped_refptr<Authenticator> CreateAuthenticator() = 0;
-
-  void set_authenticator(scoped_refptr<Authenticator> authenticator);
-
-  // Notifications receiver.
-  Delegate* delegate_;
-
- private:
-  // Starts login completion of externally authenticated user.
-  void StartLoginCompletion();
-
-  // Starts authentication.
-  void StartAuthentication();
-  void NotifyWhitelistCheckFailure();
-
-  // Makes sure that authenticator is created.
-  void EnsureAuthenticator();
-  void EnsureExtendedAuthenticator();
-
-  // Actual implementantion of PeformLogin that is run after trusted values
-  // check.
-  void DoPerformLogin(const UserContext& user_context,
-                      AuthorizationMode auth_mode);
-
-  scoped_refptr<base::TaskRunner> task_runner_;
-
-  // Used for logging in.
-  scoped_refptr<Authenticator> authenticator_;
-
-  // Used for logging in.
-  scoped_refptr<ExtendedAuthenticator> extended_authenticator_;
-
-  // Used to make auxiliary online check.
-  OnlineAttemptHost online_attempt_host_;
-
-  // Represents last login failure that was encountered when communicating to
-  // sign-in server. AuthFailure.LoginFailureNone() by default.
-  AuthFailure last_login_failure_;
-
-  // User credentials for the current login attempt.
-  UserContext user_context_;
-
-  // True if password change has been detected.
-  // Once correct password is entered homedir migration is executed.
-  bool password_changed_;
-  int password_changed_callback_count_;
-
-  // Authorization mode type.
-  AuthorizationMode auth_mode_;
-
-  base::WeakPtrFactory<LoginPerformer> weak_factory_;
-  DISALLOW_COPY_AND_ASSIGN(LoginPerformer);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROMEOS_LOGIN_AUTH_LOGIN_PERFORMER_H_