PlatformCondition  123 Source/wtf/ThreadingPrimitives.h     PlatformCondition m_condition;
PlatformCondition  317 Source/wtf/ThreadingWin.cpp bool PlatformCondition::timedWait(PlatformMutex& mutex, DWORD durationMilliseconds)
PlatformCondition  365 Source/wtf/ThreadingWin.cpp void PlatformCondition::signal(bool unblockAll)