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

components/sync/engine/data_type_association_stats.h

Index: components/sync/engine/data_type_association_stats.h
diff --git a/components/sync/core/data_type_association_stats.h b/components/sync/engine/data_type_association_stats.h
similarity index 88%
rename from components/sync/core/data_type_association_stats.h
rename to components/sync/engine/data_type_association_stats.h
index a375c02d2137fc5b0adce677eca6b8fb0c339cbd..a5d9223d194d4dcebc0027e99939fe591f2c01d1 100644
--- a/components/sync/core/data_type_association_stats.h
+++ b/components/sync/engine/data_type_association_stats.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_SYNC_CORE_DATA_TYPE_ASSOCIATION_STATS_H_
-#define COMPONENTS_SYNC_CORE_DATA_TYPE_ASSOCIATION_STATS_H_
+#ifndef COMPONENTS_SYNC_ENGINE_DATA_TYPE_ASSOCIATION_STATS_H_
+#define COMPONENTS_SYNC_ENGINE_DATA_TYPE_ASSOCIATION_STATS_H_
 
 #include <stdint.h>
 
@@ -51,4 +51,4 @@ struct DataTypeAssociationStats {
 
 }  // namespace syncer
 
-#endif  // COMPONENTS_SYNC_CORE_DATA_TYPE_ASSOCIATION_STATS_H_
+#endif  // COMPONENTS_SYNC_ENGINE_DATA_TYPE_ASSOCIATION_STATS_H_