When talking >=QUIC_VERSION_22, regularly send updated bandwidth

net/quic/quic_sustained_bandwidth_recorder.h

Index: net/quic/quic_sustained_bandwidth_recorder.h
diff --git a/net/quic/quic_sustained_bandwidth_recorder.h b/net/quic/quic_sustained_bandwidth_recorder.h
index 0794a0719a8f5c3bb1c3eff3f373e86f70221979..aa5a4c916f510ea5fcf92e656ae2cee3c8414a11 100644
--- a/net/quic/quic_sustained_bandwidth_recorder.h
+++ b/net/quic/quic_sustained_bandwidth_recorder.h
@@ -11,6 +11,10 @@
 
 namespace net {
 
+namespace test {
+class QuicSustainedBandwidthRecorderPeer;
+}  // namespace test
+
 // This class keeps track of a sustained bandwidth estimate to ultimately send
 // to the client in a server config update message. A sustained bandwidth
 // estimate is only marked as valid if the QuicSustainedBandwidthRecorder has
@@ -19,11 +23,11 @@ class NET_EXPORT_PRIVATE QuicSustainedBandwidthRecorder {
  public:
   QuicSustainedBandwidthRecorder();
 
-  // As long as |is_reliable_estimate| is consistently true, multiple calls to
-  // this method over a 3 * srtt period results in storage of a valid sustained
+  // As long as |in_recovery| is consistently false, multiple calls to this
+  // method over a 3 * srtt period results in storage of a valid sustained
   // bandwidth estimate.
   // |time_now| is used as a max bandwidth timestamp if needed.
-  void RecordEstimate(bool is_reliable_estimate,
+  void RecordEstimate(bool in_recovery,
                       bool in_slow_start,
                       QuicBandwidth bandwidth,
                       QuicTime estimate_time,
@@ -55,6 +59,8 @@ class NET_EXPORT_PRIVATE QuicSustainedBandwidthRecorder {
   }
 
  private:
+  friend class test::QuicSustainedBandwidthRecorderPeer;
+
   // True if we have been able to calculate sustained bandwidth, over at least
   // one recording period (3 * rtt).
   bool has_estimate_;