Fixig issues in bwe plot dynamics.

webrtc/modules/rtp_rtcp/source/rtp_sender.cc

Index: webrtc/modules/rtp_rtcp/source/rtp_sender.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_sender.cc b/webrtc/modules/rtp_rtcp/source/rtp_sender.cc
index 38069688f2ba635e826d245132f172d8e12396c1..551466690f31ad686262fe21268471480591032f 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_sender.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_sender.cc
@@ -902,16 +902,16 @@ bool RTPSender::SendToNetwork(std::unique_ptr<RtpPacketToSend> packet,
   packet->SetExtension<AbsoluteSendTime>(now_ms);
 
   if (video_) {
-    BWE_TEST_LOGGING_PLOT_WITH_SSRC(1, "VideoTotBitrate[kbps]", now_ms,
+    BWE_TEST_LOGGING_PLOT_WITH_SSRC(1, "VideoTotBitrate_kbps", now_ms,
                                     ActualSendBitrateKbit(), packet->Ssrc());
-    BWE_TEST_LOGGING_PLOT_WITH_SSRC(1, "VideoFecBitrate[Kbps]", now_ms,
+    BWE_TEST_LOGGING_PLOT_WITH_SSRC(1, "VideoFecBitrate_kbps", now_ms,
                                     FecOverheadRate() / 1000, packet->Ssrc());
-    BWE_TEST_LOGGING_PLOT_WITH_SSRC(1, "VideoNackBitrate[Kbps]", now_ms,
+    BWE_TEST_LOGGING_PLOT_WITH_SSRC(1, "VideoNackBitrate_kbps", now_ms,
                                     NackOverheadRate() / 1000, packet->Ssrc());
   } else {
-    BWE_TEST_LOGGING_PLOT_WITH_SSRC(1, "AudioTotBitrate[kbps]", now_ms,
+    BWE_TEST_LOGGING_PLOT_WITH_SSRC(1, "AudioTotBitrate_kbps", now_ms,
                                     ActualSendBitrateKbit(), packet->Ssrc());
-    BWE_TEST_LOGGING_PLOT_WITH_SSRC(1, "AudioNackBitrate[Kbps]", now_ms,
+    BWE_TEST_LOGGING_PLOT_WITH_SSRC(1, "AudioNackBitrate_kbps", now_ms,
                                     NackOverheadRate() / 1000, packet->Ssrc());
   }