Added API for enabling/disabling RTCP Receiver Reference Time extension.

R=mflodman@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/3419005

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@5147 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/modules/rtp_rtcp/mocks/mock_rtp_rtcp.h b/modules/rtp_rtcp/mocks/mock_rtp_rtcp.h
index 09c3ca6..90ea4f8 100644
--- a/modules/rtp_rtcp/mocks/mock_rtp_rtcp.h
+++ b/modules/rtp_rtcp/mocks/mock_rtp_rtcp.h
@@ -170,6 +170,8 @@
       int32_t(const RTCPVoIPMetric* VoIPMetric));
   MOCK_METHOD1(SetRtcpXrRrtrStatus,
       void(bool enable));
+  MOCK_CONST_METHOD0(RtcpXrRrtrStatus,
+      bool());
   MOCK_CONST_METHOD0(REMB,
       bool());
   MOCK_METHOD1(SetREMBStatus,