Make overuse estimator one dimensional.

webrtc/common_types.h

Index: webrtc/common_types.h
diff --git a/webrtc/common_types.h b/webrtc/common_types.h
index 9b730a13cbbea99b163a86681345339b62e56bac..07ce67b590193935ddbacf871a02bb70f4c899eb 100644
--- a/webrtc/common_types.h
+++ b/webrtc/common_types.h
@@ -739,31 +739,6 @@ struct VideoCodec {
   }
 };
 
-// Bandwidth over-use detector options.  These are used to drive
-// experimentation with bandwidth estimation parameters.
-// See modules/remote_bitrate_estimator/overuse_detector.h
-struct OverUseDetectorOptions {
-  OverUseDetectorOptions()
-      : initial_slope(8.0/512.0),
-        initial_offset(0),
-        initial_e(),
-        initial_process_noise(),
-        initial_avg_noise(0.0),
-        initial_var_noise(50) {
-    initial_e[0][0] = 100;
-    initial_e[1][1] = 1e-1;
-    initial_e[0][1] = initial_e[1][0] = 0;
-    initial_process_noise[0] = 1e-13;
-    initial_process_noise[1] = 1e-2;
-  }
-  double initial_slope;
-  double initial_offset;
-  double initial_e[2][2];
-  double initial_process_noise[2];
-  double initial_avg_noise;
-  double initial_var_noise;
-};
-
 // This structure will have the information about when packet is actually
 // received by socket.
 struct PacketTime {