Change the pacing sender to always pacing the initial burst, even when

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 85c589e96b27b11ce7cb79cb741d3945c2eb9c70..f684cf20d6b2247f78773c15ad83f5668d0b911a 100644
--- a/net/quic/quic_connection.cc
+++ b/net/quic/quic_connection.cc
@@ -1175,8 +1175,7 @@ void QuicConnection::OnCanWrite() {
     return;
   }
 
-  {  // Limit the scope of the bundler.
-    // Set |include_ack| to false in bundler; ack inclusion happens elsewhere.
+  { // Limit the scope of the bundler. ACK inclusion happens elsewhere.
     ScopedPacketBundler bundler(this, NO_ACK);
     visitor_->OnCanWrite();
   }
@@ -1321,7 +1320,8 @@ bool QuicConnection::CanWrite(HasRetransmittableData retransmittable) {
   // If the scheduler requires a delay, then we can not send this packet now.
   if (!delay.IsZero()) {
     send_alarm_->Update(now.Add(delay), QuicTime::Delta::FromMilliseconds(1));
-    DVLOG(1) << "Delaying sending.";
+    DVLOG(1) << ENDPOINT << "Delaying sending " << delay.ToMilliseconds()
+             << "ms";
     return false;
   }
   send_alarm_->Cancel();