[Sync] Move ConfigureDataTypes logic into DataTypeManagerImpl.

components/sync/driver/model_type_controller.h

Index: components/sync/driver/model_type_controller.h
diff --git a/components/sync/driver/model_type_controller.h b/components/sync/driver/model_type_controller.h
index 7efa58f7eb77b9063b4b8b3b17bb8c717fc0e129..caf30216ef7bb664c1e646031e2ac6021d492572 100644
--- a/components/sync/driver/model_type_controller.h
+++ b/components/sync/driver/model_type_controller.h
@@ -36,11 +36,8 @@ class ModelTypeController : public DataTypeController {
   void LoadModels(const ModelLoadCallback& model_load_callback) override;
   void GetAllNodes(const AllNodesCallback& callback) override;
   void GetStatusCounters(const StatusCountersCallback& callback) override;
-
-  // Registers non-blocking data type with sync backend. In the process the
-  // activation context is passed to ModelTypeRegistry, where ModelTypeWorker
-  // gets created and connected with ModelTypeProcessor.
-  void RegisterWithBackend(ModelTypeConfigurer* configurer) override;
+  void RegisterWithBackend(base::Callback<void(bool)> set_downloaded,
+                           ModelTypeConfigurer* configurer) override;
   void StartAssociating(const StartCallback& start_callback) override;
   void ActivateDataType(ModelTypeConfigurer* configurer) override;
   void DeactivateDataType(ModelTypeConfigurer* configurer) override;