ChromeOS: Add RenameCryptohome and migration code.

chromeos/dbus/cryptohome_client.cc

 // 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.
 
 #include "chromeos/dbus/cryptohome_client.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/bind.h"
@@ skipping 110 matching lines @@
                                  cryptohome::kCryptohomeAsyncRemove);
     dbus::MessageWriter writer(&method_call);
     writer.AppendString(cryptohome_id.id());
     proxy_->CallMethod(&method_call, kTpmDBusTimeoutMs ,
                        base::Bind(&CryptohomeClientImpl::OnAsyncMethodCall,
                                   weak_ptr_factory_.GetWeakPtr(),
                                   callback));
   }
 
   // CryptohomeClient override.
+  void RenameCryptohome(const cryptohome::Identification& cryptohome_id_from,
+                        const cryptohome::Identification& cryptohome_id_to,
+                        const ProtobufMethodCallback& callback) override {
+    const char* method_name = cryptohome::kCryptohomeRenameCryptohome;
+    dbus::MethodCall method_call(cryptohome::kCryptohomeInterface, method_name);
+
+    cryptohome::AccountIdentifier id_from_proto;
+    cryptohome::AccountIdentifier id_to_proto;
+    FillIdentificationProtobuf(cryptohome_id_from, &id_from_proto);
+    FillIdentificationProtobuf(cryptohome_id_to, &id_to_proto);
+
+    dbus::MessageWriter writer(&method_call);
+    writer.AppendProtoAsArrayOfBytes(id_from_proto);
+    writer.AppendProtoAsArrayOfBytes(id_to_proto);
+    proxy_->CallMethod(&method_call, kTpmDBusTimeoutMs,
+                       base::Bind(&CryptohomeClientImpl::OnBaseReplyMethod,
+                                  weak_ptr_factory_.GetWeakPtr(), callback));
+  }
+
+  // CryptohomeClient override.
   void GetSystemSalt(const GetSystemSaltCallback& callback) override {
     dbus::MethodCall method_call(cryptohome::kCryptohomeInterface,
                                  cryptohome::kCryptohomeGetSystemSalt);
     proxy_->CallMethod(&method_call, kTpmDBusTimeoutMs ,
                        base::Bind(&CryptohomeClientImpl::OnGetSystemSalt,
                                   weak_ptr_factory_.GetWeakPtr(),
                                   callback));
   }
 
   // CryptohomeClient override,
@@ skipping 1022 matching lines @@
   return new CryptohomeClientImpl();
 }
 
 // static
 std::string CryptohomeClient::GetStubSanitizedUsername(
     const cryptohome::Identification& cryptohome_id) {
   return cryptohome_id.id() + kUserIdStubHashSuffix;
 }
 
 }  // namespace chromeos