Rename some variables and methods in RTC event log.

Rename loss based and delay based bwe updates in proto (and correspondingly in the C++ code).

BUG=webrtc:6423

Review-Url: https://codereview.webrtc.org/2705613002
Cr-Commit-Position: refs/heads/master@{#16719}
diff --git a/webrtc/logging/rtc_event_log/mock/mock_rtc_event_log.h b/webrtc/logging/rtc_event_log/mock/mock_rtc_event_log.h
index a47aa65..7366c29 100644
--- a/webrtc/logging/rtc_event_log/mock/mock_rtc_event_log.h
+++ b/webrtc/logging/rtc_event_log/mock/mock_rtc_event_log.h
@@ -54,13 +54,13 @@
 
   MOCK_METHOD1(LogAudioPlayout, void(uint32_t ssrc));
 
-  MOCK_METHOD3(LogBwePacketLossEvent,
-               void(int32_t bitrate,
+  MOCK_METHOD3(LogLossBasedBweUpdate,
+               void(int32_t bitrate_bps,
                     uint8_t fraction_loss,
                     int32_t total_packets));
 
-  MOCK_METHOD2(LogBwePacketDelayEvent,
-               void(int32_t bitrate, BandwidthUsage detector_state));
+  MOCK_METHOD2(LogDelayBasedBweUpdate,
+               void(int32_t bitrate_bps, BandwidthUsage detector_state));
 
   MOCK_METHOD1(LogAudioNetworkAdaptation,
                void(const AudioNetworkAdaptor::EncoderRuntimeConfig& config));
diff --git a/webrtc/logging/rtc_event_log/rtc_event_log.cc b/webrtc/logging/rtc_event_log/rtc_event_log.cc
index 96f1ea1..88f6b3a 100644
--- a/webrtc/logging/rtc_event_log/rtc_event_log.cc
+++ b/webrtc/logging/rtc_event_log/rtc_event_log.cc
@@ -74,10 +74,10 @@
                      const uint8_t* packet,
                      size_t length) override;
   void LogAudioPlayout(uint32_t ssrc) override;
-  void LogBwePacketLossEvent(int32_t bitrate,
+  void LogLossBasedBweUpdate(int32_t bitrate_bps,
                              uint8_t fraction_loss,
                              int32_t total_packets) override;
-  void LogBwePacketDelayEvent(int32_t bitrate,
+  void LogDelayBasedBweUpdate(int32_t bitrate_bps,
                               BandwidthUsage detector_state) override;
   void LogAudioNetworkAdaptation(
       const AudioNetworkAdaptor::EncoderRuntimeConfig& config) override;
@@ -131,18 +131,18 @@
   return rtclog::ANY;
 }
 
-rtclog::BwePacketDelayEvent::DetectorState ConvertDetectorState(
+rtclog::DelayBasedBweUpdate::DetectorState ConvertDetectorState(
     BandwidthUsage state) {
   switch (state) {
     case BandwidthUsage::kBwNormal:
-      return rtclog::BwePacketDelayEvent::BWE_NORMAL;
+      return rtclog::DelayBasedBweUpdate::BWE_NORMAL;
     case BandwidthUsage::kBwUnderusing:
-      return rtclog::BwePacketDelayEvent::BWE_UNDERUSING;
+      return rtclog::DelayBasedBweUpdate::BWE_UNDERUSING;
     case BandwidthUsage::kBwOverusing:
-      return rtclog::BwePacketDelayEvent::BWE_OVERUSING;
+      return rtclog::DelayBasedBweUpdate::BWE_OVERUSING;
   }
   RTC_NOTREACHED();
-  return rtclog::BwePacketDelayEvent::BWE_NORMAL;
+  return rtclog::DelayBasedBweUpdate::BWE_NORMAL;
 }
 
 // The RTP and RTCP buffers reserve space for twice the expected number of
@@ -439,26 +439,26 @@
   StoreEvent(&event);
 }
 
-void RtcEventLogImpl::LogBwePacketLossEvent(int32_t bitrate,
+void RtcEventLogImpl::LogLossBasedBweUpdate(int32_t bitrate_bps,
                                             uint8_t fraction_loss,
                                             int32_t total_packets) {
   std::unique_ptr<rtclog::Event> event(new rtclog::Event());
   event->set_timestamp_us(rtc::TimeMicros());
-  event->set_type(rtclog::Event::BWE_PACKET_LOSS_EVENT);
-  auto bwe_event = event->mutable_bwe_packet_loss_event();
-  bwe_event->set_bitrate(bitrate);
+  event->set_type(rtclog::Event::LOSS_BASED_BWE_UPDATE);
+  auto bwe_event = event->mutable_loss_based_bwe_update();
+  bwe_event->set_bitrate_bps(bitrate_bps);
   bwe_event->set_fraction_loss(fraction_loss);
   bwe_event->set_total_packets(total_packets);
   StoreEvent(&event);
 }
 
-void RtcEventLogImpl::LogBwePacketDelayEvent(int32_t bitrate,
+void RtcEventLogImpl::LogDelayBasedBweUpdate(int32_t bitrate_bps,
                                              BandwidthUsage detector_state) {
   std::unique_ptr<rtclog::Event> event(new rtclog::Event());
   event->set_timestamp_us(rtc::TimeMicros());
-  event->set_type(rtclog::Event::BWE_PACKET_DELAY_EVENT);
-  auto bwe_event = event->mutable_bwe_packet_delay_event();
-  bwe_event->set_bitrate(bitrate);
+  event->set_type(rtclog::Event::DELAY_BASED_BWE_UPDATE);
+  auto bwe_event = event->mutable_delay_based_bwe_update();
+  bwe_event->set_bitrate_bps(bitrate_bps);
   bwe_event->set_detector_state(ConvertDetectorState(detector_state));
   StoreEvent(&event);
 }
diff --git a/webrtc/logging/rtc_event_log/rtc_event_log.h b/webrtc/logging/rtc_event_log/rtc_event_log.h
index 766fd89..f1bbcbb 100644
--- a/webrtc/logging/rtc_event_log/rtc_event_log.h
+++ b/webrtc/logging/rtc_event_log/rtc_event_log.h
@@ -112,12 +112,12 @@
   virtual void LogAudioPlayout(uint32_t ssrc) = 0;
 
   // Logs a bitrate update from the bandwidth estimator based on packet loss.
-  virtual void LogBwePacketLossEvent(int32_t bitrate,
+  virtual void LogLossBasedBweUpdate(int32_t bitrate_bps,
                                      uint8_t fraction_loss,
                                      int32_t total_packets) = 0;
 
   // Logs a bitrate update from the bandwidth estimator based on delay changes.
-  virtual void LogBwePacketDelayEvent(int32_t bitrate,
+  virtual void LogDelayBasedBweUpdate(int32_t bitrate_bps,
                                       BandwidthUsage detector_state) = 0;
 
   // Logs audio encoder re-configuration driven by audio network adaptor.
@@ -162,10 +162,10 @@
                      const uint8_t* packet,
                      size_t length) override {}
   void LogAudioPlayout(uint32_t ssrc) override {}
-  void LogBwePacketLossEvent(int32_t bitrate,
+  void LogLossBasedBweUpdate(int32_t bitrate_bps,
                              uint8_t fraction_loss,
                              int32_t total_packets) override {}
-  void LogBwePacketDelayEvent(int32_t bitrate,
+  void LogDelayBasedBweUpdate(int32_t bitrate_bps,
                               BandwidthUsage detector_state) override {}
   void LogAudioNetworkAdaptation(
       const AudioNetworkAdaptor::EncoderRuntimeConfig& config) override {}
diff --git a/webrtc/logging/rtc_event_log/rtc_event_log.proto b/webrtc/logging/rtc_event_log/rtc_event_log.proto
index 0da910a..8f654f9 100644
--- a/webrtc/logging/rtc_event_log/rtc_event_log.proto
+++ b/webrtc/logging/rtc_event_log/rtc_event_log.proto
@@ -31,8 +31,8 @@
     RTP_EVENT = 3;
     RTCP_EVENT = 4;
     AUDIO_PLAYOUT_EVENT = 5;
-    BWE_PACKET_LOSS_EVENT = 6;
-    BWE_PACKET_DELAY_EVENT = 7;
+    LOSS_BASED_BWE_UPDATE = 6;
+    DELAY_BASED_BWE_UPDATE = 7;
     VIDEO_RECEIVER_CONFIG_EVENT = 8;
     VIDEO_SENDER_CONFIG_EVENT = 9;
     AUDIO_RECEIVER_CONFIG_EVENT = 10;
@@ -52,11 +52,11 @@
   // optional - but required if type == AUDIO_PLAYOUT_EVENT
   optional AudioPlayoutEvent audio_playout_event = 5;
 
-  // optional - but required if type == BWE_PACKET_LOSS_EVENT
-  optional BwePacketLossEvent bwe_packet_loss_event = 6;
+  // optional - but required if type == LOSS_BASED_BWE_UPDATE
+  optional LossBasedBweUpdate loss_based_bwe_update = 6;
 
-  // optional - but required if type == BWE_PACKET_DELAY_EVENT
-  optional BwePacketDelayEvent bwe_packet_delay_event = 7;
+  // optional - but required if type == DELAY_BASED_BWE_UPDATE
+  optional DelayBasedBweUpdate delay_based_bwe_update = 7;
 
   // optional - but required if type == VIDEO_RECEIVER_CONFIG_EVENT
   optional VideoReceiveConfig video_receiver_config = 8;
@@ -106,9 +106,9 @@
   optional uint32 local_ssrc = 2;
 }
 
-message BwePacketLossEvent {
+message LossBasedBweUpdate {
   // required - Bandwidth estimate (in bps) after the update.
-  optional int32 bitrate = 1;
+  optional int32 bitrate_bps = 1;
 
   // required - Fraction of lost packets since last receiver report
   // computed as floor( 256 * (#lost_packets / #total_packets) ).
@@ -120,7 +120,7 @@
   optional int32 total_packets = 3;
 }
 
-message BwePacketDelayEvent {
+message DelayBasedBweUpdate {
   enum DetectorState {
     BWE_NORMAL = 0;
     BWE_UNDERUSING = 1;
@@ -128,7 +128,7 @@
   }
 
   // required - Bandwidth estimate (in bps) after the update.
-  optional int32 bitrate = 1;
+  optional int32 bitrate_bps = 1;
 
   // required - The state of the overuse detector.
   optional DetectorState detector_state = 2;
diff --git a/webrtc/logging/rtc_event_log/rtc_event_log_parser.cc b/webrtc/logging/rtc_event_log/rtc_event_log_parser.cc
index 012b7e1..713d4fc 100644
--- a/webrtc/logging/rtc_event_log/rtc_event_log_parser.cc
+++ b/webrtc/logging/rtc_event_log/rtc_event_log_parser.cc
@@ -69,10 +69,10 @@
       return ParsedRtcEventLog::EventType::RTCP_EVENT;
     case rtclog::Event::AUDIO_PLAYOUT_EVENT:
       return ParsedRtcEventLog::EventType::AUDIO_PLAYOUT_EVENT;
-    case rtclog::Event::BWE_PACKET_LOSS_EVENT:
-      return ParsedRtcEventLog::EventType::BWE_PACKET_LOSS_EVENT;
-    case rtclog::Event::BWE_PACKET_DELAY_EVENT:
-      return ParsedRtcEventLog::EventType::BWE_PACKET_DELAY_EVENT;
+    case rtclog::Event::LOSS_BASED_BWE_UPDATE:
+      return ParsedRtcEventLog::EventType::LOSS_BASED_BWE_UPDATE;
+    case rtclog::Event::DELAY_BASED_BWE_UPDATE:
+      return ParsedRtcEventLog::EventType::DELAY_BASED_BWE_UPDATE;
     case rtclog::Event::VIDEO_RECEIVER_CONFIG_EVENT:
       return ParsedRtcEventLog::EventType::VIDEO_RECEIVER_CONFIG_EVENT;
     case rtclog::Event::VIDEO_SENDER_CONFIG_EVENT:
@@ -89,13 +89,13 @@
 }
 
 BandwidthUsage GetRuntimeDetectorState(
-    rtclog::BwePacketDelayEvent::DetectorState detector_state) {
+    rtclog::DelayBasedBweUpdate::DetectorState detector_state) {
   switch (detector_state) {
-    case rtclog::BwePacketDelayEvent::BWE_NORMAL:
+    case rtclog::DelayBasedBweUpdate::BWE_NORMAL:
       return kBwNormal;
-    case rtclog::BwePacketDelayEvent::BWE_UNDERUSING:
+    case rtclog::DelayBasedBweUpdate::BWE_UNDERUSING:
       return kBwUnderusing;
-    case rtclog::BwePacketDelayEvent::BWE_OVERUSING:
+    case rtclog::DelayBasedBweUpdate::BWE_OVERUSING:
       return kBwOverusing;
   }
   RTC_NOTREACHED();
@@ -461,19 +461,19 @@
   }
 }
 
-void ParsedRtcEventLog::GetBwePacketLossEvent(size_t index,
-                                              int32_t* bitrate,
+void ParsedRtcEventLog::GetLossBasedBweUpdate(size_t index,
+                                              int32_t* bitrate_bps,
                                               uint8_t* fraction_loss,
                                               int32_t* total_packets) const {
   RTC_CHECK_LT(index, GetNumberOfEvents());
   const rtclog::Event& event = events_[index];
   RTC_CHECK(event.has_type());
-  RTC_CHECK_EQ(event.type(), rtclog::Event::BWE_PACKET_LOSS_EVENT);
-  RTC_CHECK(event.has_bwe_packet_loss_event());
-  const rtclog::BwePacketLossEvent& loss_event = event.bwe_packet_loss_event();
-  RTC_CHECK(loss_event.has_bitrate());
-  if (bitrate != nullptr) {
-    *bitrate = loss_event.bitrate();
+  RTC_CHECK_EQ(event.type(), rtclog::Event::LOSS_BASED_BWE_UPDATE);
+  RTC_CHECK(event.has_loss_based_bwe_update());
+  const rtclog::LossBasedBweUpdate& loss_event = event.loss_based_bwe_update();
+  RTC_CHECK(loss_event.has_bitrate_bps());
+  if (bitrate_bps != nullptr) {
+    *bitrate_bps = loss_event.bitrate_bps();
   }
   RTC_CHECK(loss_event.has_fraction_loss());
   if (fraction_loss != nullptr) {
@@ -485,20 +485,20 @@
   }
 }
 
-void ParsedRtcEventLog::GetBwePacketDelayEvent(
+void ParsedRtcEventLog::GetDelayBasedBweUpdate(
     size_t index,
-    int32_t* bitrate,
+    int32_t* bitrate_bps,
     BandwidthUsage* detector_state) const {
   RTC_CHECK_LT(index, GetNumberOfEvents());
   const rtclog::Event& event = events_[index];
   RTC_CHECK(event.has_type());
-  RTC_CHECK_EQ(event.type(), rtclog::Event::BWE_PACKET_DELAY_EVENT);
-  RTC_CHECK(event.has_bwe_packet_delay_event());
-  const rtclog::BwePacketDelayEvent& delay_event =
-      event.bwe_packet_delay_event();
-  RTC_CHECK(delay_event.has_bitrate());
-  if (bitrate != nullptr) {
-    *bitrate = delay_event.bitrate();
+  RTC_CHECK_EQ(event.type(), rtclog::Event::DELAY_BASED_BWE_UPDATE);
+  RTC_CHECK(event.has_delay_based_bwe_update());
+  const rtclog::DelayBasedBweUpdate& delay_event =
+      event.delay_based_bwe_update();
+  RTC_CHECK(delay_event.has_bitrate_bps());
+  if (bitrate_bps != nullptr) {
+    *bitrate_bps = delay_event.bitrate_bps();
   }
   RTC_CHECK(delay_event.has_detector_state());
   if (detector_state != nullptr) {
diff --git a/webrtc/logging/rtc_event_log/rtc_event_log_parser.h b/webrtc/logging/rtc_event_log/rtc_event_log_parser.h
index c81b8fb..739ccee 100644
--- a/webrtc/logging/rtc_event_log/rtc_event_log_parser.h
+++ b/webrtc/logging/rtc_event_log/rtc_event_log_parser.h
@@ -42,8 +42,8 @@
     RTP_EVENT = 3,
     RTCP_EVENT = 4,
     AUDIO_PLAYOUT_EVENT = 5,
-    BWE_PACKET_LOSS_EVENT = 6,
-    BWE_PACKET_DELAY_EVENT = 7,
+    LOSS_BASED_BWE_UPDATE = 6,
+    DELAY_BASED_BWE_UPDATE = 7,
     VIDEO_RECEIVER_CONFIG_EVENT = 8,
     VIDEO_SENDER_CONFIG_EVENT = 9,
     AUDIO_RECEIVER_CONFIG_EVENT = 10,
@@ -120,8 +120,8 @@
   // the corresponding output parameters. Each output parameter can be set to
   // nullptr if that
   // value isn't needed.
-  void GetBwePacketLossEvent(size_t index,
-                             int32_t* bitrate,
+  void GetLossBasedBweUpdate(size_t index,
+                             int32_t* bitrate_bps,
                              uint8_t* fraction_loss,
                              int32_t* total_packets) const;
 
@@ -129,8 +129,8 @@
   // and stores the values in the corresponding output parameters. Each output
   // parameter can be set to nullptr if that
   // value isn't needed.
-  void GetBwePacketDelayEvent(size_t index,
-                              int32_t* bitrate,
+  void GetDelayBasedBweUpdate(size_t index,
+                              int32_t* bitrate_bps,
                               BandwidthUsage* detector_state) const;
 
   // Reads a audio network adaptation event to a (non-NULL)
diff --git a/webrtc/logging/rtc_event_log/rtc_event_log_unittest.cc b/webrtc/logging/rtc_event_log/rtc_event_log_unittest.cc
index 1173bf5..ae264aa 100644
--- a/webrtc/logging/rtc_event_log/rtc_event_log_unittest.cc
+++ b/webrtc/logging/rtc_event_log/rtc_event_log_unittest.cc
@@ -283,7 +283,7 @@
   for (size_t i = 0; i < playout_count; i++) {
     playout_ssrcs.push_back(prng.Rand<uint32_t>());
   }
-  // Create bwe_loss_count random bitrate updates for BwePacketLoss.
+  // Create bwe_loss_count random bitrate updates for LossBasedBwe.
   for (size_t i = 0; i < bwe_loss_count; i++) {
     bwe_loss_updates.push_back(
         std::make_pair(prng.Rand<int32_t>(), prng.Rand<uint8_t>()));
@@ -333,7 +333,7 @@
         fake_clock.AdvanceTimeMicros(prng.Rand(1, 1000));
       }
       if (i * bwe_loss_count >= bwe_loss_index * rtp_count) {
-        log_dumper->LogBwePacketLossEvent(
+        log_dumper->LogLossBasedBweUpdate(
             bwe_loss_updates[bwe_loss_index - 1].first,
             bwe_loss_updates[bwe_loss_index - 1].second, i);
         bwe_loss_index++;
@@ -500,7 +500,7 @@
   remove(temp_filename.c_str());
 }
 
-TEST(RtcEventLogTest, LogPacketLossEventAndReadBack) {
+TEST(RtcEventLogTest, LogLossBasedBweUpdateAndReadBack) {
   Random prng(1234);
 
   // Generate a random packet loss event.
@@ -520,7 +520,7 @@
   std::unique_ptr<RtcEventLog> log_dumper(RtcEventLog::Create());
   log_dumper->StartLogging(temp_filename, 10000000);
   fake_clock.AdvanceTimeMicros(prng.Rand(1, 1000));
-  log_dumper->LogBwePacketLossEvent(bitrate, fraction_lost, total_packets);
+  log_dumper->LogLossBasedBweUpdate(bitrate, fraction_lost, total_packets);
   fake_clock.AdvanceTimeMicros(prng.Rand(1, 1000));
   log_dumper->StopLogging();
 
@@ -540,7 +540,7 @@
   remove(temp_filename.c_str());
 }
 
-TEST(RtcEventLogTest, LogPacketDelayEventAndReadBack) {
+TEST(RtcEventLogTest, LogDelayBasedBweUpdateAndReadBack) {
   Random prng(1234);
 
   // Generate 3 random packet delay event.
@@ -560,11 +560,11 @@
   std::unique_ptr<RtcEventLog> log_dumper(RtcEventLog::Create());
   log_dumper->StartLogging(temp_filename, 10000000);
   fake_clock.AdvanceTimeMicros(prng.Rand(1, 1000));
-  log_dumper->LogBwePacketDelayEvent(bitrate1, kBwNormal);
+  log_dumper->LogDelayBasedBweUpdate(bitrate1, kBwNormal);
   fake_clock.AdvanceTimeMicros(prng.Rand(1, 1000));
-  log_dumper->LogBwePacketDelayEvent(bitrate2, kBwOverusing);
+  log_dumper->LogDelayBasedBweUpdate(bitrate2, kBwOverusing);
   fake_clock.AdvanceTimeMicros(prng.Rand(1, 1000));
-  log_dumper->LogBwePacketDelayEvent(bitrate3, kBwUnderusing);
+  log_dumper->LogDelayBasedBweUpdate(bitrate3, kBwUnderusing);
   fake_clock.AdvanceTimeMicros(prng.Rand(1, 1000));
   log_dumper->StopLogging();
 
diff --git a/webrtc/logging/rtc_event_log/rtc_event_log_unittest_helper.cc b/webrtc/logging/rtc_event_log/rtc_event_log_unittest_helper.cc
index 6d92b46..e7db593 100644
--- a/webrtc/logging/rtc_event_log/rtc_event_log_unittest_helper.cc
+++ b/webrtc/logging/rtc_event_log/rtc_event_log_unittest_helper.cc
@@ -44,13 +44,13 @@
 }
 
 BandwidthUsage GetRuntimeDetectorState(
-    rtclog::BwePacketDelayEvent::DetectorState detector_state) {
+    rtclog::DelayBasedBweUpdate::DetectorState detector_state) {
   switch (detector_state) {
-    case rtclog::BwePacketDelayEvent::BWE_NORMAL:
+    case rtclog::DelayBasedBweUpdate::BWE_NORMAL:
       return kBwNormal;
-    case rtclog::BwePacketDelayEvent::BWE_UNDERUSING:
+    case rtclog::DelayBasedBweUpdate::BWE_UNDERUSING:
       return kBwUnderusing;
-    case rtclog::BwePacketDelayEvent::BWE_OVERUSING:
+    case rtclog::DelayBasedBweUpdate::BWE_OVERUSING:
       return kBwOverusing;
   }
   RTC_NOTREACHED();
@@ -78,18 +78,18 @@
            << "Event of type " << type << " has "
            << (event.has_rtcp_packet() ? "" : "no ") << "RTCP packet";
   }
-  if ((type == rtclog::Event::BWE_PACKET_LOSS_EVENT) !=
-      event.has_bwe_packet_loss_event()) {
+  if ((type == rtclog::Event::LOSS_BASED_BWE_UPDATE) !=
+      event.has_loss_based_bwe_update()) {
     return ::testing::AssertionFailure()
            << "Event of type " << type << " has "
-           << (event.has_bwe_packet_loss_event() ? "" : "no ") << "packet loss";
+           << (event.has_loss_based_bwe_update() ? "" : "no ") << "loss update";
   }
-  if ((type == rtclog::Event::BWE_PACKET_DELAY_EVENT) !=
-      event.has_bwe_packet_delay_event()) {
+  if ((type == rtclog::Event::DELAY_BASED_BWE_UPDATE) !=
+      event.has_delay_based_bwe_update()) {
     return ::testing::AssertionFailure()
            << "Event of type " << type << " has "
-           << (event.has_bwe_packet_delay_event() ? "" : "no ")
-           << "packet delay";
+           << (event.has_delay_based_bwe_update() ? "" : "no ")
+           << "delay update";
   }
   if ((type == rtclog::Event::AUDIO_PLAYOUT_EVENT) !=
       event.has_audio_playout_event()) {
@@ -475,10 +475,10 @@
     int32_t total_packets) {
   const rtclog::Event& event = parsed_log.events_[index];
   ASSERT_TRUE(IsValidBasicEvent(event));
-  ASSERT_EQ(rtclog::Event::BWE_PACKET_LOSS_EVENT, event.type());
-  const rtclog::BwePacketLossEvent& bwe_event = event.bwe_packet_loss_event();
-  ASSERT_TRUE(bwe_event.has_bitrate());
-  EXPECT_EQ(bitrate, bwe_event.bitrate());
+  ASSERT_EQ(rtclog::Event::LOSS_BASED_BWE_UPDATE, event.type());
+  const rtclog::LossBasedBweUpdate& bwe_event = event.loss_based_bwe_update();
+  ASSERT_TRUE(bwe_event.has_bitrate_bps());
+  EXPECT_EQ(bitrate, bwe_event.bitrate_bps());
   ASSERT_TRUE(bwe_event.has_fraction_loss());
   EXPECT_EQ(fraction_loss, bwe_event.fraction_loss());
   ASSERT_TRUE(bwe_event.has_total_packets());
@@ -488,7 +488,7 @@
   int32_t parsed_bitrate;
   uint8_t parsed_fraction_loss;
   int32_t parsed_total_packets;
-  parsed_log.GetBwePacketLossEvent(
+  parsed_log.GetLossBasedBweUpdate(
       index, &parsed_bitrate, &parsed_fraction_loss, &parsed_total_packets);
   EXPECT_EQ(bitrate, parsed_bitrate);
   EXPECT_EQ(fraction_loss, parsed_fraction_loss);
@@ -502,10 +502,10 @@
     BandwidthUsage detector_state) {
   const rtclog::Event& event = parsed_log.events_[index];
   ASSERT_TRUE(IsValidBasicEvent(event));
-  ASSERT_EQ(rtclog::Event::BWE_PACKET_DELAY_EVENT, event.type());
-  const rtclog::BwePacketDelayEvent& bwe_event = event.bwe_packet_delay_event();
-  ASSERT_TRUE(bwe_event.has_bitrate());
-  EXPECT_EQ(bitrate, bwe_event.bitrate());
+  ASSERT_EQ(rtclog::Event::DELAY_BASED_BWE_UPDATE, event.type());
+  const rtclog::DelayBasedBweUpdate& bwe_event = event.delay_based_bwe_update();
+  ASSERT_TRUE(bwe_event.has_bitrate_bps());
+  EXPECT_EQ(bitrate, bwe_event.bitrate_bps());
   ASSERT_TRUE(bwe_event.has_detector_state());
   EXPECT_EQ(detector_state,
             GetRuntimeDetectorState(bwe_event.detector_state()));
@@ -513,7 +513,7 @@
   // Check consistency of the parser.
   int32_t parsed_bitrate;
   BandwidthUsage parsed_detector_state;
-  parsed_log.GetBwePacketDelayEvent(index, &parsed_bitrate,
+  parsed_log.GetDelayBasedBweUpdate(index, &parsed_bitrate,
                                     &parsed_detector_state);
   EXPECT_EQ(bitrate, parsed_bitrate);
   EXPECT_EQ(detector_state, parsed_detector_state);
diff --git a/webrtc/modules/bitrate_controller/send_side_bandwidth_estimation.cc b/webrtc/modules/bitrate_controller/send_side_bandwidth_estimation.cc
index ad8a6f9..2c683fd 100644
--- a/webrtc/modules/bitrate_controller/send_side_bandwidth_estimation.cc
+++ b/webrtc/modules/bitrate_controller/send_side_bandwidth_estimation.cc
@@ -286,7 +286,7 @@
       last_fraction_loss_ != last_logged_fraction_loss_ ||
       last_rtc_event_log_ms_ == -1 ||
       now_ms - last_rtc_event_log_ms_ > kRtcEventLogPeriodMs) {
-    event_log_->LogBwePacketLossEvent(capped_bitrate, last_fraction_loss_,
+    event_log_->LogLossBasedBweUpdate(capped_bitrate, last_fraction_loss_,
                                       expected_packets_since_last_loss_update_);
     last_logged_fraction_loss_ = last_fraction_loss_;
     last_rtc_event_log_ms_ = now_ms;
diff --git a/webrtc/modules/bitrate_controller/send_side_bandwidth_estimation_unittest.cc b/webrtc/modules/bitrate_controller/send_side_bandwidth_estimation_unittest.cc
index 7841f5f..825828b 100644
--- a/webrtc/modules/bitrate_controller/send_side_bandwidth_estimation_unittest.cc
+++ b/webrtc/modules/bitrate_controller/send_side_bandwidth_estimation_unittest.cc
@@ -66,7 +66,7 @@
 TEST(SendSideBweTest, DoesntReapplyBitrateDecreaseWithoutFollowingRemb) {
   MockRtcEventLog event_log;
   EXPECT_CALL(event_log,
-              LogBwePacketLossEvent(testing::Gt(0), testing::Gt(0), 0))
+              LogLossBasedBweUpdate(testing::Gt(0), testing::Gt(0), 0))
       .Times(1);
   SendSideBandwidthEstimation bwe(&event_log);
   static const int kMinBitrateBps = 100000;
diff --git a/webrtc/modules/congestion_controller/delay_based_bwe.cc b/webrtc/modules/congestion_controller/delay_based_bwe.cc
index d18847f..71fefac 100644
--- a/webrtc/modules/congestion_controller/delay_based_bwe.cc
+++ b/webrtc/modules/congestion_controller/delay_based_bwe.cc
@@ -395,7 +395,7 @@
                           result.target_bitrate_bps);
     if (event_log_ && (result.target_bitrate_bps != last_logged_bitrate_ ||
                        detector_.State() != last_logged_state_)) {
-      event_log_->LogBwePacketDelayEvent(result.target_bitrate_bps,
+      event_log_->LogDelayBasedBweUpdate(result.target_bitrate_bps,
                                          detector_.State());
       last_logged_bitrate_ = result.target_bitrate_bps;
       last_logged_state_ = detector_.State();
diff --git a/webrtc/tools/event_log_visualizer/analyzer.cc b/webrtc/tools/event_log_visualizer/analyzer.cc
index 2f8b7ed..5c0433a 100644
--- a/webrtc/tools/event_log_visualizer/analyzer.cc
+++ b/webrtc/tools/event_log_visualizer/analyzer.cc
@@ -435,24 +435,24 @@
       case ParsedRtcEventLog::LOG_END: {
         break;
       }
-      case ParsedRtcEventLog::BWE_PACKET_LOSS_EVENT: {
-        BwePacketLossEvent bwe_update;
+      case ParsedRtcEventLog::AUDIO_PLAYOUT_EVENT: {
+        break;
+      }
+      case ParsedRtcEventLog::LOSS_BASED_BWE_UPDATE: {
+        LossBasedBweUpdate 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);
+        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::DELAY_BASED_BWE_UPDATE: {
+        break;
+      }
       case ParsedRtcEventLog::AUDIO_NETWORK_ADAPTATION_EVENT: {
         break;
       }
-      case ParsedRtcEventLog::BWE_PACKET_DELAY_EVENT: {
-        break;
-      }
-      case ParsedRtcEventLog::AUDIO_PLAYOUT_EVENT: {
-        break;
-      }
       case ParsedRtcEventLog::UNKNOWN_EVENT: {
         break;
       }
diff --git a/webrtc/tools/event_log_visualizer/analyzer.h b/webrtc/tools/event_log_visualizer/analyzer.h
index bb7667f..f0557a2 100644
--- a/webrtc/tools/event_log_visualizer/analyzer.h
+++ b/webrtc/tools/event_log_visualizer/analyzer.h
@@ -45,7 +45,7 @@
   std::unique_ptr<rtcp::RtcpPacket> packet;
 };
 
-struct BwePacketLossEvent {
+struct LossBasedBweUpdate {
   uint64_t timestamp;
   int32_t new_bitrate;
   uint8_t fraction_loss;
@@ -150,7 +150,7 @@
   std::map<StreamId, std::vector<LoggedRtcpPacket>> rtcp_packets_;
 
   // A list of all updates from the send-side loss-based bandwidth estimator.
-  std::vector<BwePacketLossEvent> bwe_loss_updates_;
+  std::vector<LossBasedBweUpdate> bwe_loss_updates_;
 
   // Window and step size used for calculating moving averages, e.g. bitrate.
   // The generated data points will be |step_| microseconds apart.
diff --git a/webrtc/voice_engine/channel.cc b/webrtc/voice_engine/channel.cc
index b0aa654..acd8052 100644
--- a/webrtc/voice_engine/channel.cc
+++ b/webrtc/voice_engine/channel.cc
@@ -130,20 +130,21 @@
     }
   }
 
-  void LogBwePacketLossEvent(int32_t bitrate,
+  void LogLossBasedBweUpdate(int32_t bitrate_bps,
                              uint8_t fraction_loss,
                              int32_t total_packets) override {
     rtc::CritScope lock(&crit_);
     if (event_log_) {
-      event_log_->LogBwePacketLossEvent(bitrate, fraction_loss, total_packets);
+      event_log_->LogLossBasedBweUpdate(bitrate_bps, fraction_loss,
+                                        total_packets);
     }
   }
 
-  void LogBwePacketDelayEvent(int32_t bitrate,
+  void LogDelayBasedBweUpdate(int32_t bitrate_bps,
                               BandwidthUsage detector_state) override {
     rtc::CritScope lock(&crit_);
     if (event_log_) {
-      event_log_->LogBwePacketDelayEvent(bitrate, detector_state);
+      event_log_->LogDelayBasedBweUpdate(bitrate_bps, detector_state);
     }
   }