Update from https://crrev.com/306655

net/quic/congestion_control/send_algorithm_interface.h

Index: net/quic/congestion_control/send_algorithm_interface.h
diff --git a/net/quic/congestion_control/send_algorithm_interface.h b/net/quic/congestion_control/send_algorithm_interface.h
index 322ff1d0c906b8da2ca89657cb26c69f6daff11c..c50f6a68f78188ae1b27443befd01b74d66d8869 100644
--- a/net/quic/congestion_control/send_algorithm_interface.h
+++ b/net/quic/congestion_control/send_algorithm_interface.h
@@ -116,7 +116,8 @@ class NET_EXPORT_PRIVATE SendAlgorithmInterface {
   virtual CongestionControlType GetCongestionControlType() const = 0;
 
   // Called by the Session when we get a bandwidth estimate from the client.
-  virtual void ResumeConnectionState(
+  // Returns true if initial connection state is changed as a result.
+  virtual bool ResumeConnectionState(
       const CachedNetworkParameters& cached_network_params) = 0;
 };