cros: Mount the existing eCryptfs vault to start migration.

chromeos/dbus/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_CRYPTOHOME_CLIENT_H_
 #define CHROMEOS_DBUS_CRYPTOHOME_CLIENT_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 555 matching lines @@
   // available, and have them signed by a special TPM key. This method always
   // fails after any user, publuc, or guest session starts.
   virtual void FlushAndSignBootAttributes(
       const cryptohome::FlushAndSignBootAttributesRequest& request,
       const ProtobufMethodCallback& callback) = 0;
 
   // Asynchronously calls MigrateToDircrypto method. It tells cryptohomed to
   // start migration, and is immediately called back by |callback|. The actual
   // result response is done via DircryptoMigrationProgress callback with its
   // status flag indicating the completion.
-  // MigrateToDircrypto attempts to migrate the home dir using given
-  // authorization to the new "dircrypto" encryption.
+  // MigrateToDircrypto attempts to migrate the home dir to the new "dircrypto"
+  // encryption.
   virtual void MigrateToDircrypto(
       const cryptohome::Identification& cryptohome_id,
-      const cryptohome::AuthorizationRequest& auth,
       const VoidDBusMethodCallback& callback) = 0;
 
   // Asynchronously calls RemoveFirmwareManagementParameters method. |callback|
   // is called after method call, and with reply protobuf.
   virtual void RemoveFirmwareManagementParametersFromTpm(
       const cryptohome::RemoveFirmwareManagementParametersRequest& request,
       const ProtobufMethodCallback& callback) = 0;
 
   // Asynchronously calls SetFirmwareManagementParameters method. |callback|
   // is called after method call, and with reply protobuf. |request| contains
@@ skipping 13 matching lines @@
   // Create() should be used instead.
   CryptohomeClient();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CryptohomeClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_CRYPTOHOME_CLIENT_H_