Method ~Mutex

tests/gtest/gtest-all.cc:10052–10060

}

Mutex::~Mutex() {
  // Static mutexes are leaked intentionally. It is not thread-safe to try
  // to clean them up.
  if (type_ == kDynamic) {
    ::DeleteCriticalSection(critical_section_);
    delete critical_section_;
    critical_section_ = nullptr;
  }
}

void Mutex::Lock() {
  ThreadSafeLazyInit();