Index: net/quic/quic_client_session.cc |
diff --git a/net/quic/quic_client_session.cc b/net/quic/quic_client_session.cc |
index ef8bc202f1ca5caa3197306a9210d5fd406d3149..1a99cf94a2a82d5d8a2db485294a5598ab3b08d4 100644 |
--- a/net/quic/quic_client_session.cc |
+++ b/net/quic/quic_client_session.cc |
@@ -761,6 +761,7 @@ void QuicClientSession::StartReading() { |
read_buffer_->size(), |
base::Bind(&QuicClientSession::OnReadComplete, |
weak_factory_.GetWeakPtr())); |
+ UMA_HISTOGRAM_BOOLEAN("Net.QuicSession.AsyncRead", rv == ERR_IO_PENDING); |
if (rv == ERR_IO_PENDING) { |
num_packets_read_ = 0; |
return; |