PrepareToStartAdditionalThreadIfHelpful  377 base/threading/sequenced_worker_pool.cc   int PrepareToStartAdditionalThreadIfHelpful();
PrepareToStartAdditionalThreadIfHelpful  610 base/threading/sequenced_worker_pool.cc     create_thread_id = PrepareToStartAdditionalThreadIfHelpful();
PrepareToStartAdditionalThreadIfHelpful 1024 base/threading/sequenced_worker_pool.cc   return PrepareToStartAdditionalThreadIfHelpful();