Added functions on libjingle API to start and stop the recording of an RtcEventLog.

talk/media/webrtc/webrtcvoiceengine.h

Index: talk/media/webrtc/webrtcvoiceengine.h
diff --git a/talk/media/webrtc/webrtcvoiceengine.h b/talk/media/webrtc/webrtcvoiceengine.h
index 2832fb31f3753de4eb1b66169ce627674973c4f4..36353a2afecde7f4417d9672654aa0d9102e49ee 100644
--- a/talk/media/webrtc/webrtcvoiceengine.h
+++ b/talk/media/webrtc/webrtcvoiceengine.h
@@ -108,6 +108,12 @@ class WebRtcVoiceEngine
   // Starts AEC dump using existing file.
   bool StartAecDump(rtc::PlatformFile file);
 
+  // Starts an RtcEventLog using an existing file.
+  bool StartRtcEventLog(rtc::PlatformFile file);

[the sun, 2015/09/29 15:03:08]

So, how do you intend to call this from the rest of the world?

+
+  // Stops logging RtcEventLog.
+  void StopRtcEventLog();
+
   // Create a VoiceEngine Channel.
   int CreateMediaVoiceChannel();