Add configuration and test for extended RTCP reference time reports to new video api.

R=mflodman@webrtc.org, pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/6989004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@5401 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/video_receive_stream.h b/video_receive_stream.h
index c6669b9..55e5a62 100644
--- a/video_receive_stream.h
+++ b/video_receive_stream.h
@@ -119,6 +119,15 @@
       // See RtcpMode for description.
       newapi::RtcpMode rtcp_mode;
 
+      // Extended RTCP settings.
+      struct RtcpXr {
+        RtcpXr() : receiver_reference_time_report(false) {}
+
+        // True if RTCP Receiver Reference Time Report Block extension
+        // (RFC 3611) should be enabled.
+        bool receiver_reference_time_report;
+      } rtcp_xr;
+
       // See draft-alvestrand-rmcat-remb for information.
       bool remb;