Implement sync in the NonBlockingTypeProcessor

sync/internal_api/test/null_sync_core_proxy.cc

Index: sync/internal_api/test/null_sync_core_proxy.cc
diff --git a/sync/internal_api/test/null_sync_core_proxy.cc b/sync/internal_api/test/null_sync_core_proxy.cc
index e0c93f655431180fef7602bec22d284c8cca6f79..14d9d65128c49ec9a9507c52e779909dc2531239 100644
--- a/sync/internal_api/test/null_sync_core_proxy.cc
+++ b/sync/internal_api/test/null_sync_core_proxy.cc
@@ -12,7 +12,8 @@ NullSyncCoreProxy::~NullSyncCoreProxy() {}
 
 void NullSyncCoreProxy::ConnectTypeToCore(
     syncer::ModelType type,
-      base::WeakPtr<NonBlockingTypeProcessor> processor) {
+    const DataTypeState& data_type_state,
+    base::WeakPtr<NonBlockingTypeProcessor> processor) {
   NOTREACHED() << "NullSyncCoreProxy is not meant to be used";
 }