Remove redundant param from Sync FakeServer infra

sync/test/fake_server/bookmark_entity.h

 // Copyright 2014 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_TEST_FAKE_SERVER_BOOKMARK_ENTITY_H_
 #define SYNC_TEST_FAKE_SERVER_BOOKMARK_ENTITY_H_
 
 #include <map>
 #include <string>
 
@@ skipping 19 matching lines @@
   // Factory function for BookmarkEntity. The server's current entity for this
   // ID, |current_server_entity|, is passed here because the client does not
   // always send the complete entity over the wire. This requires copying of
   // some of the existing entity when creating a new entity.
   static FakeServerEntity* CreateUpdatedVersion(
       const sync_pb::SyncEntity& client_entity,
       FakeServerEntity* current_server_entity,
       const std::string& parent_id);
 
   BookmarkEntity(const std::string& id,
-                 const syncer::ModelType& model_type,
                  int64 version,
                  const std::string& name,
                  const std::string& originator_cache_guid,
                  const std::string& originator_client_item_id,
                  const sync_pb::UniquePosition& unique_position,
                  const sync_pb::EntitySpecifics& specifics,
                  bool is_folder,
                  const std::string& parent_id,
                  int64 creation_time,
                  int64 last_modified_time);
@@ skipping 12 matching lines @@
   sync_pb::EntitySpecifics specifics_;
   bool is_folder_;
   std::string parent_id_;
   int64 creation_time_;
   int64 last_modified_time_;
 };
 
 }  // namespace fake_server
 
 #endif  // SYNC_TEST_FAKE_SERVER_BOOKMARK_ENTITY_H_