[Sync] Move ModelType and related classes to 'syncer' namespace

sync/internal_api/public/engine/sync_status.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_INTERNAL_API_PUBLIC_ENGINE_STATUS_SUMMARY_H_
 #define SYNC_INTERNAL_API_PUBLIC_ENGINE_STATUS_SUMMARY_H_
 
 #include <string>
 
 #include "sync/internal_api/public/base/model_type.h"
@@ skipping 62 matching lines @@
 
   // Count of sync cycles that successfully committed items;
   int sync_cycles_with_commits;
   int sync_cycles_without_commits;
 
   // Count of useless and useful syncs we perform.
   int useless_sync_cycles;
   int useful_sync_cycles;
 
   // Encryption related.
-  syncable::ModelTypeSet encrypted_types;
+  syncer::ModelTypeSet encrypted_types;
   bool cryptographer_ready;
   bool crypto_has_pending_keys;
 
   // Per-datatype throttled status.
-  syncable::ModelTypeSet throttled_types;
+  syncer::ModelTypeSet throttled_types;
 
   // The unique identifer for this client.
   std::string unique_id;
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_INTERNAL_API_PUBLIC_ENGINE_STATUS_SUMMARY_H_