[Sync] USS: Rename SharedModelTypeProcessor::Start and related methods.

sync/sessions/model_type_registry.cc

Index: sync/sessions/model_type_registry.cc
diff --git a/sync/sessions/model_type_registry.cc b/sync/sessions/model_type_registry.cc
index 5806522470a0d7ca2d0fb7d7dbd099a388e22fd6..a4766db401a22f4f8ed1ddf472b2d93f4aee5f89 100644
--- a/sync/sessions/model_type_registry.cc
+++ b/sync/sessions/model_type_registry.cc
@@ -156,7 +156,7 @@ void ModelTypeRegistry::ConnectSyncTypeToWorker(
       worker->AsWeakPtr(), scoped_refptr<base::SequencedTaskRunner>(
                                base::ThreadTaskRunnerHandle::Get())));
 
-  type_processor->OnConnect(std::move(commit_queue_proxy));
+  type_processor->ConnectSync(std::move(commit_queue_proxy));
 
   DCHECK(update_handler_map_.find(type) == update_handler_map_.end());
   DCHECK(commit_contributor_map_.find(type) == commit_contributor_map_.end());