Move RtcEventLog object from inside VoiceEngine to Call.

webrtc/voice_engine/channel.cc

Index: webrtc/voice_engine/channel.cc
diff --git a/webrtc/voice_engine/channel.cc b/webrtc/voice_engine/channel.cc
index 9e27ce8b7b7162905a036f6d52a639c96d17bfa0..83c96411b4c9a2c1dcb6948234552ba2a320f296 100644
--- a/webrtc/voice_engine/channel.cc
+++ b/webrtc/voice_engine/channel.cc
@@ -494,11 +494,9 @@ bool Channel::OnRecoveredPacket(const uint8_t* rtp_packet,
 }
 
 int32_t Channel::GetAudioFrame(int32_t id, AudioFrame* audioFrame) {
-  if (event_log_) {
-    unsigned int ssrc;
-    RTC_CHECK_EQ(GetLocalSSRC(ssrc), 0);
-    event_log_->LogAudioPlayout(ssrc);
-  }
+  unsigned int ssrc;
+  RTC_CHECK_EQ(GetLocalSSRC(ssrc), 0);
+  event_log_.LogAudioPlayout(ssrc);
   // Get 10ms raw PCM data from the ACM (mixer limits output frequency)
   if (audio_coding_->PlayoutData10Ms(audioFrame->sample_rate_hz_, audioFrame) ==
       -1) {
@@ -674,13 +672,12 @@ int32_t Channel::NeededFrequency(int32_t id) const {
 int32_t Channel::CreateChannel(Channel*& channel,
                                int32_t channelId,
                                uint32_t instanceId,
-                               RtcEventLog* const event_log,
                                const Config& config) {
   WEBRTC_TRACE(kTraceMemory, kTraceVoice, VoEId(instanceId, channelId),
                "Channel::CreateChannel(channelId=%d, instanceId=%d)", channelId,
                instanceId);
 
-  channel = new Channel(channelId, instanceId, event_log, config);
+  channel = new Channel(channelId, instanceId, config);
   if (channel == NULL) {
     WEBRTC_TRACE(kTraceMemory, kTraceVoice, VoEId(instanceId, channelId),
                  "Channel::CreateChannel() unable to allocate memory for"
@@ -737,13 +734,10 @@ void Channel::RecordFileEnded(int32_t id) {
                " shutdown");
 }
 
-Channel::Channel(int32_t channelId,
-                 uint32_t instanceId,
-                 RtcEventLog* const event_log,
-                 const Config& config)
+Channel::Channel(int32_t channelId, uint32_t instanceId, const Config& config)
     : _instanceId(instanceId),
       _channelId(channelId),
-      event_log_(event_log),
+      event_log_(),
       rtp_header_parser_(RtpHeaderParser::Create()),
       rtp_payload_registry_(
           new RTPPayloadRegistry(RTPPayloadStrategy::CreateStrategy(true))),
@@ -852,7 +846,7 @@ Channel::Channel(int32_t channelId,
         seq_num_allocator_proxy_.get();
     configuration.transport_feedback_callback = feedback_observer_proxy_.get();
   }
-  configuration.event_log = event_log;
+  configuration.event_log = &event_log_;
 
   _rtpRtcpModule.reset(RtpRtcp::CreateRtpRtcp(configuration));