Convert usage of ARRAY_SIZE to arraysize.

webrtc/modules/remote_bitrate_estimator/test/estimators/nada.cc

Index: webrtc/modules/remote_bitrate_estimator/test/estimators/nada.cc
diff --git a/webrtc/modules/remote_bitrate_estimator/test/estimators/nada.cc b/webrtc/modules/remote_bitrate_estimator/test/estimators/nada.cc
index 171d196fc07e63ff5c47bae9b4417cd453ac9a83..6166ff8c2d409ecbbe290025674257c140a76553 100644
--- a/webrtc/modules/remote_bitrate_estimator/test/estimators/nada.cc
+++ b/webrtc/modules/remote_bitrate_estimator/test/estimators/nada.cc
@@ -18,6 +18,7 @@
 #include <algorithm>
 #include <vector>
 
+#include "webrtc/base/arraysize.h"
 #include "webrtc/base/common.h"
 #include "webrtc/modules/remote_bitrate_estimator/test/estimators/nada.h"
 #include "webrtc/modules/remote_bitrate_estimator/test/bwe_test_logging.h"
@@ -63,7 +64,7 @@ void NadaBweReceiver::ReceivePacket(int64_t arrival_time_ms,
   }
 
   delay_signal_ms_ = delay_ms - baseline_delay_ms_;  // Refered as d_n.
-  const int kMedian = ARRAY_SIZE(last_delays_ms_);
+  const int kMedian = arraysize(last_delays_ms_);
   last_delays_ms_[(last_delays_index_++) % kMedian] = delay_signal_ms_;
   int size = std::min(last_delays_index_, kMedian);