Rename some variables and methods in RTC event log.

webrtc/tools/event_log_visualizer/analyzer.cc

Index: webrtc/tools/event_log_visualizer/analyzer.cc
diff --git a/webrtc/tools/event_log_visualizer/analyzer.cc b/webrtc/tools/event_log_visualizer/analyzer.cc
index 2f8b7ed02f30247b7e252e76a52c94576363f7dd..5c0433a35807a2fb62d4e22b8f671da1d13ccb74 100644
--- a/webrtc/tools/event_log_visualizer/analyzer.cc
+++ b/webrtc/tools/event_log_visualizer/analyzer.cc
@@ -435,22 +435,22 @@ EventLogAnalyzer::EventLogAnalyzer(const ParsedRtcEventLog& log)
       case ParsedRtcEventLog::LOG_END: {
         break;
       }
-      case ParsedRtcEventLog::BWE_PACKET_LOSS_EVENT: {
-        BwePacketLossEvent bwe_update;
-        bwe_update.timestamp = parsed_log_.GetTimestamp(i);
-        parsed_log_.GetBwePacketLossEvent(i, &bwe_update.new_bitrate,
-                                             &bwe_update.fraction_loss,
-                                             &bwe_update.expected_packets);
-        bwe_loss_updates_.push_back(bwe_update);
+      case ParsedRtcEventLog::AUDIO_PLAYOUT_EVENT: {
         break;
       }
-      case ParsedRtcEventLog::AUDIO_NETWORK_ADAPTATION_EVENT: {
+      case ParsedRtcEventLog::LOSS_BASED_BWE_UPDATE: {
+        LossBasedBweUpdate bwe_update;
+        bwe_update.timestamp = parsed_log_.GetTimestamp(i);
+        parsed_log_.GetLossBasedBweUpdate(i, &bwe_update.new_bitrate,
+                                          &bwe_update.fraction_loss,
+                                          &bwe_update.expected_packets);
+        bwe_loss_updates_.push_back(bwe_update);
         break;
       }
-      case ParsedRtcEventLog::BWE_PACKET_DELAY_EVENT: {
+      case ParsedRtcEventLog::DELAY_BASED_BWE_UPDATE: {
         break;
       }
-      case ParsedRtcEventLog::AUDIO_PLAYOUT_EVENT: {
+      case ParsedRtcEventLog::AUDIO_NETWORK_ADAPTATION_EVENT: {
         break;
       }
       case ParsedRtcEventLog::UNKNOWN_EVENT: {