'use strict';
-base.require('tracing.trace_model.object_instance');
-base.require('cc.util');
+tvcm.require('tracing.trace_model.object_instance');
+tvcm.require('cc.util');
-base.exportTo('tcmalloc', function() {
+tvcm.exportTo('tcmalloc', function() {
var ObjectSnapshot = tracing.trace_model.ObjectSnapshot;
/**