sync: Specialize functions that fetch type root

sync/syncable/nigori_util.cc

 // 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.
 
 #include "sync/syncable/nigori_util.h"
 
 #include <queue>
 #include <string>
 #include <vector>
 
@@ skipping 82 matching lines @@
 // Mainly for testing.
 bool VerifyDataTypeEncryptionForTest(
     BaseTransaction* const trans,
     ModelType type,
     bool is_encrypted) {
   Cryptographer* cryptographer = trans->directory()->GetCryptographer(trans);
   if (type == PASSWORDS || IsControlType(type)) {
     NOTREACHED();
     return true;
   }
-  std::string type_tag = ModelTypeToRootTag(type);
-  Entry type_root(trans, GET_BY_SERVER_TAG, type_tag);
+  Entry type_root(trans, GET_TYPE_ROOT, type);
   if (!type_root.good()) {
     NOTREACHED();
     return false;
   }
 
   std::queue<Id> to_visit;
   Id id_string = type_root.GetFirstChildId();
   to_visit.push(id_string);
   while (!to_visit.empty()) {
     id_string = to_visit.front();
@@ skipping 200 matching lines @@
     encrypted_types.Put(FAVICON_TRACKING);
   if (nigori.encrypt_articles())
     encrypted_types.Put(ARTICLES);
   if (nigori.encrypt_app_list())
     encrypted_types.Put(APP_LIST);
   return encrypted_types;
 }
 
 }  // namespace syncable
 }  // namespace syncer