Revert of 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 c2ce1cc604e941360b8e56962e95ce809f429f18..fba10403176484c353daf96898f50ad1911b6a34 100644
--- a/webrtc/pc/channelmanager.cc
+++ b/webrtc/pc/channelmanager.cc
@@ -389,4 +389,17 @@
       Bind(&MediaEngineInterface::StopAecDump, media_engine_.get()));
 }
 
+bool ChannelManager::StartRtcEventLog(rtc::PlatformFile file,
+                                      int64_t max_size_bytes) {
+  return worker_thread_->Invoke<bool>(
+      RTC_FROM_HERE, Bind(&MediaEngineInterface::StartRtcEventLog,
+                          media_engine_.get(), file, max_size_bytes));
+}
+
+void ChannelManager::StopRtcEventLog() {
+  worker_thread_->Invoke<void>(
+      RTC_FROM_HERE,
+      Bind(&MediaEngineInterface::StopRtcEventLog, media_engine_.get()));
+}
+
 }  // namespace cricket