Move RtcEventLog object from inside VoiceEngine to Call.

webrtc/pc/channelmanager.cc

Index: webrtc/pc/channelmanager.cc
diff --git a/webrtc/pc/channelmanager.cc b/webrtc/pc/channelmanager.cc
index 996a2633f235df6572b78dd3f5e6d7dfe1446f06..fc939f9f3f4cf85e6a29d2f8661fce0a3c317b8c 100644
--- a/webrtc/pc/channelmanager.cc
+++ b/webrtc/pc/channelmanager.cc
@@ -414,14 +414,4 @@ void ChannelManager::StopAecDump() {
       Bind(&MediaEngineInterface::StopAecDump, media_engine_.get()));
 }
 
-bool ChannelManager::StartRtcEventLog(rtc::PlatformFile file) {
-  return worker_thread_->Invoke<bool>(
-      Bind(&MediaEngineInterface::StartRtcEventLog, media_engine_.get(), file));
-}
-
-void ChannelManager::StopRtcEventLog() {
-  worker_thread_->Invoke<void>(
-      Bind(&MediaEngineInterface::StopRtcEventLog, media_engine_.get()));
-}
-
 }  // namespace cricket