UNSHIPPED_TRACE_EVENT_INSTANT0 261 base/debug/trace_event.h #define UNSHIPPED_TRACE_EVENT_INSTANT0(category_group, name, scope) (void)0 UNSHIPPED_TRACE_EVENT_INSTANT0 275 base/debug/trace_event.h #define UNSHIPPED_TRACE_EVENT_INSTANT0(category_group, name, scope) \