Add stats of incoming frame delays for debugging bandwidth estimation.
BUG=crbug/338380
R=stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/8119004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@5519 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/video_engine/vie_rtp_rtcp_impl.h b/video_engine/vie_rtp_rtcp_impl.h
index caabd2c..74e69ce 100644
--- a/video_engine/vie_rtp_rtcp_impl.h
+++ b/video_engine/vie_rtp_rtcp_impl.h
@@ -110,6 +110,8 @@
   virtual int GetEstimatedReceiveBandwidth(
       const int video_channel,
       unsigned int* estimated_bandwidth) const;
+  virtual int GetReceiveBandwidthEstimatorStats(
+      const int video_channel, ReceiveBandwidthEstimatorStats* output) const;
   virtual int StartRTPDump(const int video_channel,
                            const char file_nameUTF8[1024],
                            RTPDirections direction);