Thread-safe version of PassphraseType.

components/sync/syncable/nigori_handler.h

 // Copyright 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 COMPONENTS_SYNC_SYNCABLE_NIGORI_HANDLER_H_
 #define COMPONENTS_SYNC_SYNCABLE_NIGORI_HANDLER_H_
 
 #include <string>
 
 #include "components/sync/base/model_type.h"
 
 namespace google {
 namespace protobuf {
 template <typename T>
 class RepeatedPtrField;
 }
 }
 
 namespace sync_pb {
 class NigoriSpecifics;
 }
 
 namespace syncer {
+
+enum class PassphraseType;
+
 namespace syncable {
 
 class BaseTransaction;
 
 // Sync internal interface for dealing with nigori node and querying
 // the current set of encrypted types. Not thread safe, so a sync transaction
 // must be held by a caller whenever invoking methods.
 class NigoriHandler {
  public:
   NigoriHandler();
@@ skipping 15 matching lines @@
 
   // Set the keystore keys the server returned for this account.
   // Returns true on success, false otherwise.
   virtual bool SetKeystoreKeys(
       const google::protobuf::RepeatedPtrField<std::string>& keys,
       syncable::BaseTransaction* const trans) = 0;
 
   // Returns the set of currently encrypted types.
   virtual ModelTypeSet GetEncryptedTypes(
       syncable::BaseTransaction* const trans) const = 0;
+
+  // Returns current value for the passphrase type.
+  virtual PassphraseType GetPassphraseType(
+      syncable::BaseTransaction* const trans) const = 0;
 };
 
 }  // namespace syncable
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_SYNCABLE_NIGORI_HANDLER_H_