Reland "Remove ViEEncoder::SetNetworkStatus"

webrtc/modules/congestion_controller/include/congestion_controller.h

Index: webrtc/modules/congestion_controller/include/congestion_controller.h
diff --git a/webrtc/modules/congestion_controller/include/congestion_controller.h b/webrtc/modules/congestion_controller/include/congestion_controller.h
index a3b672e3bc8887a203427f88a62edcb41390155a..84c18a4ae199c2a41b01f4863223e65e6a709318 100644
--- a/webrtc/modules/congestion_controller/include/congestion_controller.h
+++ b/webrtc/modules/congestion_controller/include/congestion_controller.h
@@ -95,10 +95,12 @@ class CongestionController : public CallStatsObserver, public Module {
  private:
   void Init();
   void MaybeTriggerOnNetworkChanged();
-  // Updates |send_queue_is_full_|. Returns true if |send_queue_is_full_|
-  // has changed.
-  bool UpdateSendQueueStatus(bool send_queue_is_full);
 
+  bool IsSendQueueFull() const;
+  bool IsNetworkDown() const;
+  bool HasNetworkParametersToReportChanged(uint32_t bitrate_bps,
+                                           uint8_t fraction_loss,
+                                           int64_t rtt);
   Clock* const clock_;
   Observer* const observer_;
   const std::unique_ptr<PacketRouter> packet_router_;
@@ -109,7 +111,10 @@ class CongestionController : public CallStatsObserver, public Module {
   TransportFeedbackAdapter transport_feedback_adapter_;
   int min_bitrate_bps_;
   rtc::CriticalSection critsect_;
-  bool send_queue_is_full_ GUARDED_BY(critsect_);
+  uint32_t last_reported_bitrate_bps_ GUARDED_BY(critsect_);
+  uint8_t last_reported_fraction_loss_ GUARDED_BY(critsect_);
+  int64_t last_reported_rtt_ GUARDED_BY(critsect_);
+  NetworkState network_state_ GUARDED_BY(critsect_);
 
   RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(CongestionController);
 };