Method ThreadMain

tests/gtest/gtest-all.cc:10201–10208

  };

  static DWORD WINAPI ThreadMain(void* ptr) {
    // Transfers ownership.
    std::unique_ptr<ThreadMainParam> param(static_cast<ThreadMainParam*>(ptr));
    if (param->thread_can_start_ != nullptr)
      param->thread_can_start_->WaitForNotification();
    param->runnable_->Run();
    return 0;
  }

  // Prohibit instantiation.
  ThreadWithParamSupport();