Change RtpSender::OnReceiveNACK name and signature
Name changed to follow style.
list replaced with vector to decrease number of included headers.

R=philipel@webrtc.org

Review URL: https://codereview.webrtc.org/2276833003 .

Cr-Commit-Position: refs/heads/master@{#13938}
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_receiver.cc b/webrtc/modules/rtp_rtcp/source/rtcp_receiver.cc
index 28c6867..9c0d66d 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_receiver.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_receiver.cc
@@ -1263,7 +1263,7 @@
     if (rtcpPacketInformation.nackSequenceNumbers.size() > 0) {
       LOG(LS_VERBOSE) << "Incoming NACK length: "
                       << rtcpPacketInformation.nackSequenceNumbers.size();
-      _rtpRtcp.OnReceivedNACK(rtcpPacketInformation.nackSequenceNumbers);
+      _rtpRtcp.OnReceivedNack(rtcpPacketInformation.nackSequenceNumbers);
     }
   }
   {