Make overuse estimator one dimensional.

webrtc/modules/remote_bitrate_estimator/overuse_detector.h

Index: webrtc/modules/remote_bitrate_estimator/overuse_detector.h
diff --git a/webrtc/modules/remote_bitrate_estimator/overuse_detector.h b/webrtc/modules/remote_bitrate_estimator/overuse_detector.h
index 56e9c14206c4dfc99b9b3ab0bb00bf776683accd..d451a3ed45d1984d3d24957bbd213d839ec911c4 100644
--- a/webrtc/modules/remote_bitrate_estimator/overuse_detector.h
+++ b/webrtc/modules/remote_bitrate_estimator/overuse_detector.h
@@ -24,7 +24,7 @@ bool AdaptiveThresholdExperimentIsEnabled();
 
 class OveruseDetector {
  public:
-  explicit OveruseDetector(const OverUseDetectorOptions& options);
+  OveruseDetector();
   virtual ~OveruseDetector();
 
   // Update the detection state based on the estimated inter-arrival time delta
@@ -51,7 +51,6 @@ class OveruseDetector {
   double overusing_time_threshold_;
   // Must be first member variable. Cannot be const because we need to be
   // copyable.
-  webrtc::OverUseDetectorOptions options_;
   double threshold_;
   int64_t last_update_ms_;
   double prev_offset_;