Clear the connection's send alarm when a new ack is received. Flag protected by gfe2_reloadable_fl…

net/quic/quic_connection.cc

Index: net/quic/quic_connection.cc
diff --git a/net/quic/quic_connection.cc b/net/quic/quic_connection.cc
index 79d5131aa5ee8eca2253810e31225aebd3e0ed46..81bc1fb9ea4555c1ddd07da6e30ed5268dc95256 100644
--- a/net/quic/quic_connection.cc
+++ b/net/quic/quic_connection.cc
@@ -737,6 +737,10 @@ bool QuicConnection::OnAckFrame(const QuicAckFrame& incoming_ack) {
     return false;
   }
 
+  if (FLAGS_quic_respect_send_alarm &&
+      send_alarm_->IsSet()) {
+    send_alarm_->Cancel();
+  }
   ProcessAckFrame(incoming_ack);
   if (incoming_ack.is_truncated) {
     should_last_packet_instigate_acks_ = true;
@@ -1475,7 +1479,8 @@ bool QuicConnection::CanWrite(HasRetransmittableData retransmittable) {
   }
 
   // If the send alarm is set, wait for it to fire.
-  if (FLAGS_respect_send_alarm && send_alarm_->IsSet()) {
+  if (FLAGS_quic_respect_send_alarm &&
+      send_alarm_->IsSet()) {
     return false;
   }
 
@@ -1494,7 +1499,7 @@ bool QuicConnection::CanWrite(HasRetransmittableData retransmittable) {
              << "ms";
     return false;
   }
-  if (!FLAGS_respect_send_alarm) {
+  if (!FLAGS_quic_respect_send_alarm) {
     send_alarm_->Cancel();
   }
   return true;