Add support for transport wide sequence numbers

webrtc/video/video_receive_stream.cc

Index: webrtc/video/video_receive_stream.cc
diff --git a/webrtc/video/video_receive_stream.cc b/webrtc/video/video_receive_stream.cc
index 57ddee07d191785114c5474c7d768ee0a69bde14..f91eac547b4a6da8b6a1d88404cfe8ce5fb7f43c 100644
--- a/webrtc/video/video_receive_stream.cc
+++ b/webrtc/video/video_receive_stream.cc
@@ -179,6 +179,8 @@ VideoReceiveStream::VideoReceiveStream(int num_cpu_cores,
       CHECK_EQ(0, vie_channel_->SetReceiveAbsoluteSendTimeStatus(true, id));
     } else if (extension == RtpExtension::kVideoRotation) {
       CHECK_EQ(0, vie_channel_->SetReceiveVideoRotationStatus(true, id));
+    } else if (extension == RtpExtension::kTransportSequenceNumber) {
+      CHECK_EQ(0, vie_channel_->SetReceiveTransportSequenceNumber(true, id));
     } else {
       RTC_NOTREACHED() << "Unsupported RTP extension.";
     }