[Sync] Move the last things out of core/.

components/sync/model/model_type_change_processor.h

 // Copyright 2015 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 COMPONENTS_SYNC_MODEL_MODEL_TYPE_CHANGE_PROCESSOR_H_
 #define COMPONENTS_SYNC_MODEL_MODEL_TYPE_CHANGE_PROCESSOR_H_
 
 #include <memory>
 #include <string>
 
 #include "components/sync/base/model_type.h"
-#include "components/sync/core/activation_context.h"
+#include "components/sync/engine/activation_context.h"
 #include "components/sync/model/data_type_error_handler.h"
 #include "components/sync/model/entity_data.h"
 #include "components/sync/model/sync_error_factory.h"
 
 namespace syncer {
 
 class MetadataBatch;
 class MetadataChangeList;
 class ModelTypeService;
 class SyncError;
@@ skipping 46 matching lines @@
 
   // Returns a boolean representing whether the processor's metadata is
   // currently up to date and accurately tracking the model type's data. If
   // false, calls to Put and Delete will no-op and can be omitted by services.
   virtual bool IsTrackingMetadata() = 0;
 };
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_MODEL_MODEL_TYPE_CHANGE_PROCESSOR_H_