ApproximateNow     16 net/quic/quic_clock.cc QuicTime QuicClock::ApproximateNow() const {
ApproximateNow     23 net/quic/test_tools/mock_clock.cc QuicTime MockClock::ApproximateNow() const {
ApproximateNow     18 net/tools/quic/quic_epoll_clock.cc QuicTime QuicEpollClock::ApproximateNow() const {