Inline QUIC ack and stop waiting processing, because it's only called from one location each.

net/quic/core/quic_connection.cc

Index: net/quic/core/quic_connection.cc
diff --git a/net/quic/core/quic_connection.cc b/net/quic/core/quic_connection.cc
index 7bb88eee08e0f31904453e1e4df855d6528a7b99..88d333122501d8d60462b37012d24f113b99c1c4 100644
--- a/net/quic/core/quic_connection.cc
+++ b/net/quic/core/quic_connection.cc
@@ -691,7 +691,13 @@ bool QuicConnection::OnAckFrame(const QuicAckFrame& incoming_ack) {
   if (send_alarm_->IsSet()) {
     send_alarm_->Cancel();
   }
-  ProcessAckFrame(incoming_ack);
+  largest_seen_packet_with_ack_ = last_header_.packet_number;
+  sent_packet_manager_.OnIncomingAck(incoming_ack,
+                                     time_of_last_received_packet_);
+  // Always reset the retransmission alarm when an ack comes in, since we now
+  // have a better estimate of the current rtt than when it was set.
+  SetRetransmissionAlarm();
+
   // If the incoming ack's packets set expresses missing packets: peer is still
   // waiting for a packet lower than a packet that we are no longer planning to
   // send.
@@ -708,21 +714,6 @@ bool QuicConnection::OnAckFrame(const QuicAckFrame& incoming_ack) {
   return connected_;
 }
 
-void QuicConnection::ProcessAckFrame(const QuicAckFrame& incoming_ack) {
-  largest_seen_packet_with_ack_ = last_header_.packet_number;
-  sent_packet_manager_.OnIncomingAck(incoming_ack,
-                                     time_of_last_received_packet_);
-  // Always reset the retransmission alarm when an ack comes in, since we now
-  // have a better estimate of the current rtt than when it was set.
-  SetRetransmissionAlarm();
-}
-
-void QuicConnection::ProcessStopWaitingFrame(
-    const QuicStopWaitingFrame& stop_waiting) {
-  largest_seen_packet_with_stop_waiting_ = last_header_.packet_number;
-  received_packet_manager_.UpdatePacketInformationSentByPeer(stop_waiting);
-}
-
 bool QuicConnection::OnStopWaitingFrame(const QuicStopWaitingFrame& frame) {
   DCHECK(connected_);
 
@@ -743,7 +734,8 @@ bool QuicConnection::OnStopWaitingFrame(const QuicStopWaitingFrame& frame) {
     debug_visitor_->OnStopWaitingFrame(frame);
   }
 
-  ProcessStopWaitingFrame(frame);
+  largest_seen_packet_with_stop_waiting_ = last_header_.packet_number;
+  received_packet_manager_.UpdatePacketInformationSentByPeer(frame);
   return connected_;
 }