Use RTC_UNUSED instead of conditional compilation in BWE simulator tool.

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

Index: webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc
diff --git a/webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc b/webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc
index 39b5c14b05c94a2cf38352c58563b4be1102bf72..9c3e342c8afb711eb5271a4e99fd0c3c30d52ffc 100644
--- a/webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc
+++ b/webrtc/modules/remote_bitrate_estimator/test/estimators/remb.cc
@@ -17,6 +17,7 @@
 #include "webrtc/modules/remote_bitrate_estimator/test/bwe_test_logging.h"
 #include "webrtc/modules/rtp_rtcp/include/receive_statistics.h"
 #include "webrtc/test/gtest.h"
+#include "webrtc/typedefs.h"
 
 namespace webrtc {
 namespace testing {
@@ -65,9 +66,7 @@ int RembBweSender::GetFeedbackIntervalMs() const {
 RembReceiver::RembReceiver(int flow_id, bool plot)
     : BweReceiver(flow_id),
       estimate_log_prefix_(),
-#if BWE_TEST_LOGGING_COMPILE_TIME_ENABLE
       plot_estimate_(plot),
-#endif
       clock_(0),
       recv_stats_(ReceiveStatistics::Create(&clock_)),
       latest_estimate_bps_(-1),
@@ -121,13 +120,12 @@ FeedbackPacket* RembReceiver::GetFeedback(int64_t now_ms) {
                                 estimated_bps, latest_report_block_);
     last_feedback_ms_ = now_ms;
 
-#if BWE_TEST_LOGGING_COMPILE_TIME_ENABLE
     double estimated_kbps = static_cast<double>(estimated_bps) / 1000.0;
+    RTC_UNUSED(estimated_kbps);
     if (plot_estimate_) {
       BWE_TEST_LOGGING_PLOT(0, estimate_log_prefix_,
                             clock_.TimeInMilliseconds(), estimated_kbps);
     }
-#endif
   }
   return feedback;
 }