cryptohome: Make CryptohomeClient::Unmount non-blocking

chromeos/login/auth/cryptohome_authenticator.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 CHROMEOS_LOGIN_AUTH_CRYPTOHOME_AUTHENTICATOR_H_
 #define CHROMEOS_LOGIN_AUTH_CRYPTOHOME_AUTHENTICATOR_H_
 
 #include <memory>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/synchronization/lock.h"
 #include "base/task_runner.h"
 #include "chromeos/chromeos_export.h"
+#include "chromeos/dbus/dbus_method_call_status.h"
 #include "chromeos/login/auth/auth_attempt_state.h"
 #include "chromeos/login/auth/auth_attempt_state_resolver.h"
 #include "chromeos/login/auth/authenticator.h"
 #include "chromeos/login/auth/test_attempt_state.h"
 #include "google_apis/gaia/gaia_auth_consumer.h"
 
 class AuthFailure;
 
 namespace content {
 class BrowserContext;
@@ skipping 202 matching lines @@
   void SetOwnerState(bool owner_check_finished, bool check_result);
 
   // checks if the current mounted home contains the owner case and either
   // continues or fails the log-in. Used for policy lost mitigation "safe-mode".
   // Returns true if the owner check has been successful or if it is not needed.
   bool VerifyOwner();
 
   // Handles completion of the ownership check and continues login.
   void OnOwnershipChecked(bool is_owner);
 
+  // Handles completion of cryptohome unmount.
+  void OnUnmount(DBusMethodCallStatus call_status, bool success);
+
   // Signal login completion status for cases when a new user is added via
   // an external authentication provider (i.e. GAIA extension).
   void ResolveLoginCompletionStatus();
 
   scoped_refptr<base::TaskRunner> task_runner_;
 
   std::unique_ptr<AuthAttemptState> current_state_;
   bool migrate_attempted_;
   bool remove_attempted_;
   bool resync_attempted_;
@@ skipping 18 matching lines @@
   // When |remove_user_data_on_failure_| is set, we delay calling
   // consumer_->OnAuthFailure() until we removed the user cryptohome.
   const AuthFailure* delayed_login_failure_;
 
   DISALLOW_COPY_AND_ASSIGN(CryptohomeAuthenticator);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_LOGIN_AUTH_CRYPTOHOME_AUTHENTICATOR_H_