cryptohome: Make CryptohomeClient::Unmount non-blocking

chromeos/dbus/mock_cryptohome_client.h

 // Copyright (c) 2012 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_DBUS_MOCK_CRYPTOHOME_CLIENT_H_
 #define CHROMEOS_DBUS_MOCK_CRYPTOHOME_CLIENT_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 13 matching lines @@
   MOCK_METHOD1(Init, void(dbus::Bus* bus));
   MOCK_METHOD2(SetAsyncCallStatusHandlers,
                void(const AsyncCallStatusHandler& handler,
                     const AsyncCallStatusWithDataHandler& data_handler));
   MOCK_METHOD0(ResetAsyncCallStatusHandlers, void());
   MOCK_METHOD1(SetLowDiskSpaceHandler,
                void(const LowDiskSpaceHandler& handler));
   MOCK_METHOD1(WaitForServiceToBeAvailable,
                void(const WaitForServiceToBeAvailableCallback& callback));
   MOCK_METHOD1(IsMounted, void(const BoolDBusMethodCallback& callback));
-  MOCK_METHOD1(Unmount, bool(bool* success));
+  MOCK_METHOD1(Unmount, void(const BoolDBusMethodCallback& callback));
   MOCK_METHOD3(AsyncCheckKey,
                void(const cryptohome::Identification& cryptohome_id,
                     const std::string& key,
                     const AsyncMethodCallback& callback));
   MOCK_METHOD4(AsyncMigrateKey,
                void(const cryptohome::Identification& cryptohome_id,
                     const std::string& from_key,
                     const std::string& to_key,
                     const AsyncMethodCallback& callback));
   MOCK_METHOD2(AsyncRemove,
@@ skipping 181 matching lines @@
                void(const cryptohome::Identification& cryptohome_id,
                     const cryptohome::AuthorizationRequest& auth,
                     const VoidDBusMethodCallback& callback));
   MOCK_METHOD1(SetDircryptoMigrationProgressHandler,
                void(const DircryptoMigrationProgessHandler& handler));
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_MOCK_CRYPTOHOME_CLIENT_H_