NPVARIANT_PARAM_NULL  161 content/child/npapi/npobject_util.cc       param->type = NPVARIANT_PARAM_NULL;
NPVARIANT_PARAM_NULL  238 content/child/npapi/npobject_util.cc     case NPVARIANT_PARAM_NULL:
NPVARIANT_PARAM_NULL   60 content/child/plugin_param_traits.cc            p.type == content::NPVARIANT_PARAM_NULL);
NPVARIANT_PARAM_NULL   86 content/child/plugin_param_traits.cc              (r->type == content::NPVARIANT_PARAM_NULL)) {