diff --git a/media/base/codec.cc b/media/base/codec.cc
index f5a71cced0..cb2a8fc3df 100644
--- a/media/base/codec.cc
+++ b/media/base/codec.cc
@@ -346,6 +346,11 @@ bool HasRemb(const Codec& codec) {
       FeedbackParam(kRtcpFbParamRemb, kParamValueEmpty));
 }
 
+bool HasRrtr(const Codec& codec) {
+  return codec.HasFeedbackParam(
+      FeedbackParam(kRtcpFbParamRrtr, kParamValueEmpty));
+}
+
 bool HasTransportCc(const Codec& codec) {
   return codec.HasFeedbackParam(
       FeedbackParam(kRtcpFbParamTransportCc, kParamValueEmpty));
diff --git a/media/base/codec.h b/media/base/codec.h
index a49fe4b278..30844c7120 100644
--- a/media/base/codec.h
+++ b/media/base/codec.h
@@ -250,6 +250,7 @@ bool CodecNamesEq(const std::string& name1, const std::string& name2);
 bool CodecNamesEq(const char* name1, const char* name2);
 bool HasNack(const Codec& codec);
 bool HasRemb(const Codec& codec);
+bool HasRrtr(const Codec& codec);
 bool HasTransportCc(const Codec& codec);
 // Returns the first codec in |supported_codecs| that matches |codec|, or
 // nullptr if no codec matches.
diff --git a/media/base/mediaconstants.cc b/media/base/mediaconstants.cc
index abc4e0c1b9..de21d04a25 100644
--- a/media/base/mediaconstants.cc
+++ b/media/base/mediaconstants.cc
@@ -86,6 +86,7 @@ const char kRtcpFbParamTransportCc[] = "transport-cc";
 
 const char kRtcpFbParamCcm[] = "ccm";
 const char kRtcpFbCcmParamFir[] = "fir";
+const char kRtcpFbParamRrtr[] = "rrtr";
 const char kCodecParamMaxBitrate[] = "x-google-max-bitrate";
 const char kCodecParamMinBitrate[] = "x-google-min-bitrate";
 const char kCodecParamStartBitrate[] = "x-google-start-bitrate";
diff --git a/media/base/mediaconstants.h b/media/base/mediaconstants.h
index 72edd89e20..14c49baf72 100644
--- a/media/base/mediaconstants.h
+++ b/media/base/mediaconstants.h
@@ -101,6 +101,9 @@ extern const char kRtcpFbParamTransportCc[];
 // ccm submessages according to RFC 5104
 extern const char kRtcpFbParamCcm[];
 extern const char kRtcpFbCcmParamFir[];
+// Receiver reference time report
+// https://tools.ietf.org/html/rfc3611 section 4.4
+extern const char kRtcpFbParamRrtr[];
 // Google specific parameters
 extern const char kCodecParamMaxBitrate[];
 extern const char kCodecParamMinBitrate[];
diff --git a/media/engine/webrtcvideoengine.cc b/media/engine/webrtcvideoengine.cc
index 3cf72cf732..375eb4db32 100644
--- a/media/engine/webrtcvideoengine.cc
+++ b/media/engine/webrtcvideoengine.cc
@@ -2290,6 +2290,7 @@ void WebRtcVideoChannel::WebRtcVideoReceiveStream::ConfigureCodecs(
   config_.rtp.red_payload_type = codec.ulpfec.red_payload_type;
 
   config_.rtp.nack.rtp_history_ms = HasNack(codec.codec) ? kNackHistoryMs : 0;
+  config_.rtp.rtcp_xr.receiver_reference_time_report = HasRrtr(codec.codec);
   if (codec.ulpfec.red_rtx_payload_type != -1) {
     config_.rtp
         .rtx_associated_payload_types[codec.ulpfec.red_rtx_payload_type] =