Combine OnCongestionWindowChange and OnRttChange to OnCongestionChange in QuicSentPacketManager::Ne…

net/quic/quic_sent_packet_manager.h

Index: net/quic/quic_sent_packet_manager.h
diff --git a/net/quic/quic_sent_packet_manager.h b/net/quic/quic_sent_packet_manager.h
index 7ddcae184c1f83dd8a1a965b699cd72f3382958c..e7be658e7a565a88bba5cceca68cb9b3140f6648 100644
--- a/net/quic/quic_sent_packet_manager.h
+++ b/net/quic/quic_sent_packet_manager.h
@@ -95,12 +95,8 @@ class NET_EXPORT_PRIVATE QuicSentPacketManager {
    public:
     virtual ~NetworkChangeVisitor() {}
 
-    // Called when congestion window may have changed.
-    virtual void OnCongestionWindowChange() = 0;
-
-    // Called when RTT may have changed, including when an RTT is read from
-    // the config.
-    virtual void OnRttChange() = 0;
+    // Called when congestion window or RTT may have changed.
+    virtual void OnCongestionChange() = 0;
 
     // Called with the path may be degrading. Note that the path may only be
     // temporarily degrading.