[Sync] Replace all instances of ModelTypeSet with ModelEnumSet

chrome/browser/sync/glue/bookmark_model_associator.cc

 // Copyright (c) 2011 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 "chrome/browser/sync/glue/bookmark_model_associator.h"
 
 #include <stack>
 
 #include "base/command_line.h"
 #include "base/hash_tables.h"
@@ skipping 598 matching lines @@
   // same as number of nodes in the sync model. This can happen when the sync
   // model doesn't get a chance to persist its changes, for example when
   // Chrome does not shut down gracefully. In such cases we can't trust the
   // loaded associations.
   return sync_node_count == id_index.count();
 }
 
 bool BookmarkModelAssociator::CryptoReadyIfNecessary() {
   // We only access the cryptographer while holding a transaction.
   sync_api::ReadTransaction trans(FROM_HERE, user_share_);
-  const syncable::ModelTypeSet& encrypted_types =
+  const syncable::ModelEnumSet encrypted_types =
       sync_api::GetEncryptedTypes(&trans);
-  return encrypted_types.count(syncable::BOOKMARKS) == 0 ||
+  return !encrypted_types.Has(syncable::BOOKMARKS) ||
       trans.GetCryptographer()->is_ready();
 }
 
 }  // namespace browser_sync