Revert of Move RtcEventLog object from inside VoiceEngine to Call.

webrtc/api/peerconnectionfactory.cc

Index: webrtc/api/peerconnectionfactory.cc
diff --git a/webrtc/api/peerconnectionfactory.cc b/webrtc/api/peerconnectionfactory.cc
index b79e7a2544e8194473600455d8beb4461dcf9bc2..745de3f214f748e179710128573e09dbb880fb1a 100644
--- a/webrtc/api/peerconnectionfactory.cc
+++ b/webrtc/api/peerconnectionfactory.cc
@@ -220,6 +220,17 @@
   channel_manager_->StopAecDump();
 }
 
+bool PeerConnectionFactory::StartRtcEventLog(rtc::PlatformFile file,
+                                             int64_t max_size_bytes) {
+  RTC_DCHECK(signaling_thread_->IsCurrent());
+  return channel_manager_->StartRtcEventLog(file, max_size_bytes);
+}
+
+void PeerConnectionFactory::StopRtcEventLog() {
+  RTC_DCHECK(signaling_thread_->IsCurrent());
+  channel_manager_->StopRtcEventLog();
+}
+
 rtc::scoped_refptr<PeerConnectionInterface>
 PeerConnectionFactory::CreatePeerConnection(
     const PeerConnectionInterface::RTCConfiguration& configuration_in,