MutexHandle       271 base/logging.cc   static MutexHandle log_mutex;
MutexHandle       289 base/logging.cc MutexHandle LoggingLock::log_mutex = NULL;
MutexHandle        36 content/common/handle_enumerator_win.cc   handle_types[sandbox::HandleTable::kTypeMutex] = MutexHandle;
MutexHandle       278 content/common/handle_enumerator_win.cc     case MutexHandle: