TCMalloc_SystemAddGuard  640 third_party/tcmalloc/chromium/src/system-alloc.cc size_t TCMalloc_SystemAddGuard(void* start, size_t size) {
TCMalloc_SystemAddGuard  259 third_party/tcmalloc/chromium/src/windows/port.cc size_t TCMalloc_SystemAddGuard(void* start, size_t size) {