[Sync] Add history delete directive type

sync/util/cryptographer.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 SYNC_UTIL_CRYPTOGRAPHER_H_
 #define SYNC_UTIL_CRYPTOGRAPHER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 201 matching lines @@
   void set_encrypt_everything();
   bool encrypt_everything() const;
 
   // Return the set of encrypted types.
   ModelTypeSet GetEncryptedTypes() const;
 
   // Forwards to MergeEncryptedTypes.
   void MergeEncryptedTypesForTest(ModelTypeSet encrypted_types);
 
  private:
-  FRIEND_TEST_ALL_PREFIXES(SyncCryptographerTest, PackUnpack);
+  FRIEND_TEST_ALL_PREFIXES(CryptographerTest, PackUnpack);
   typedef std::map<std::string, linked_ptr<const Nigori> > NigoriMap;
 
   // Merges the given set of encrypted types with the existing set and emits a
   // notification if necessary.
   void MergeEncryptedTypes(ModelTypeSet encrypted_types);
 
   void EmitEncryptedTypesChangedNotification();
 
   // Decrypts |encrypted| and uses its contents to initialize Nigori instances.
   // Returns true unless decryption of |encrypted| fails. The caller is
@@ skipping 27 matching lines @@
 
   ModelTypeSet encrypted_types_;
   bool encrypt_everything_;
 
   DISALLOW_COPY_AND_ASSIGN(Cryptographer);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_UTIL_CRYPTOGRAPHER_H_