TUNNEL_CONNECTION  820 net/socket_stream/socket_stream.cc     metrics_->OnCountConnectionType(SocketStreamMetrics::TUNNEL_CONNECTION);
TUNNEL_CONNECTION   69 net/socket_stream/socket_stream_metrics_unittest.cc     metrics.OnCountConnectionType(SocketStreamMetrics::TUNNEL_CONNECTION);
TUNNEL_CONNECTION   86 net/socket_stream/socket_stream_metrics_unittest.cc   EXPECT_EQ(2, samples->GetCount(SocketStreamMetrics::TUNNEL_CONNECTION));