wip 3

components/sync/engine_impl/loopback_server/persistent_unique_client_entity.h

Index: components/sync/engine_impl/loopback_server/persistent_unique_client_entity.h
diff --git a/components/sync/engine_impl/loopback_server/persistent_unique_client_entity.h b/components/sync/engine_impl/loopback_server/persistent_unique_client_entity.h
index 8e039002b68d3ab50c04d023bf207753105c5394..d28043dc1f7c0de1e8c9695375297385f7a0714f 100644
--- a/components/sync/engine_impl/loopback_server/persistent_unique_client_entity.h
+++ b/components/sync/engine_impl/loopback_server/persistent_unique_client_entity.h
@@ -42,6 +42,12 @@ class PersistentUniqueClientEntity : public LoopbackServerEntity {
   static std::unique_ptr<LoopbackServerEntity> Create(
       const sync_pb::SyncEntity& client_entity);
 
+  // Factory function for creating a PersistentUniqueClientEntity for use in the
+  // FakeServer injection API.
+  static std::unique_ptr<LoopbackServerEntity> CreateForInjection(
+      const std::string& name,
+      const sync_pb::EntitySpecifics& entity_specifics);
+
   // Derives an ID from a unique client tagged entity.
   static std::string EffectiveIdForClientTaggedEntity(
       const sync_pb::SyncEntity& entity);