Revert of Move RtcEventLog object from inside VoiceEngine to Call.

webrtc/voice_engine/channel_manager.cc

Index: webrtc/voice_engine/channel_manager.cc
diff --git a/webrtc/voice_engine/channel_manager.cc b/webrtc/voice_engine/channel_manager.cc
index 5f20b2ed162b2bd30752c86b2de04c56d3ab2d96..47350b59c9a69c272b9dccd77468b7a49c36cc49 100644
--- a/webrtc/voice_engine/channel_manager.cc
+++ b/webrtc/voice_engine/channel_manager.cc
@@ -47,7 +47,10 @@
     : channel(channel), ref_count(1) {}
 
 ChannelManager::ChannelManager(uint32_t instance_id, const Config& config)
-    : instance_id_(instance_id), last_channel_id_(-1), config_(config) {}
+    : instance_id_(instance_id),
+      last_channel_id_(-1),
+      config_(config),
+      event_log_(RtcEventLog::Create(Clock::GetRealTimeClock())) {}
 
 ChannelOwner ChannelManager::CreateChannel() {
   return CreateChannel(CreateBuiltinAudioDecoderFactory());
@@ -72,8 +75,8 @@
     const Config& config,
     const rtc::scoped_refptr<AudioDecoderFactory>& decoder_factory) {
   Channel* channel;
-  Channel::CreateChannel(channel, ++last_channel_id_, instance_id_, config,
-                         decoder_factory);
+  Channel::CreateChannel(channel, ++last_channel_id_, instance_id_,
+                         event_log_.get(), config, decoder_factory);
   ChannelOwner channel_owner(channel);
 
   rtc::CritScope crit(&lock_);
@@ -140,6 +143,10 @@
   return channels_.size();
 }
 
+RtcEventLog* ChannelManager::GetEventLog() const {
+  return event_log_.get();
+}
+
 ChannelManager::Iterator::Iterator(ChannelManager* channel_manager)
     : iterator_pos_(0) {
   channel_manager->GetAllChannels(&channels_);