Move RtcEventLog object from inside VoiceEngine to Call.

webrtc/modules/rtp_rtcp/source/rtcp_sender.h

Index: webrtc/modules/rtp_rtcp/source/rtcp_sender.h
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_sender.h b/webrtc/modules/rtp_rtcp/source/rtcp_sender.h
index 977c1ff43a04579abd227c6c914513999f663dd8..eee87fabeeac958f70a93531a87ecb5ca21b0035 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_sender.h
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_sender.h
@@ -36,7 +36,7 @@ namespace webrtc {
 
 class ModuleRtpRtcpImpl;
 class RTCPReceiver;
-class RtcEventLog;
+class RtcEventLogProxy;
 
 class NACKStringBuilder {
  public:
@@ -79,7 +79,7 @@ class RTCPSender {
              Clock* clock,
              ReceiveStatistics* receive_statistics,
              RtcpPacketTypeCounterObserver* packet_type_counter_observer,
-             RtcEventLog* event_log,
+             RtcEventLogProxy* event_log,
              Transport* outgoing_transport);
   virtual ~RTCPSender();
 
@@ -202,7 +202,7 @@ class RTCPSender {
   Random random_ GUARDED_BY(critical_section_rtcp_sender_);
   RtcpMode method_ GUARDED_BY(critical_section_rtcp_sender_);
 
-  RtcEventLog* const event_log_;
+  RtcEventLogProxy* const event_log_;
   Transport* const transport_;
 
   rtc::scoped_ptr<CriticalSectionWrapper> critical_section_rtcp_sender_;