Move RTP module activation into PayloadRouter.

webrtc/modules/rtp_rtcp/source/rtp_sender.cc

Index: webrtc/modules/rtp_rtcp/source/rtp_sender.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_sender.cc b/webrtc/modules/rtp_rtcp/source/rtp_sender.cc
index 97469ca35ecf27defdfc971376e4d6ff6399b23d..f053f1be22a7c07af227c716df66643a50ee7a27 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_sender.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_sender.cc
@@ -304,7 +304,8 @@ int32_t RTPSender::RegisterPayload(
     uint32_t frequency,
     size_t channels,
     uint32_t rate) {
-  assert(payload_name);
+  RTC_DCHECK_LT(strlen(payload_name),
+                static_cast<size_t>(RTP_PAYLOAD_NAME_SIZE));

[stefan-webrtc, 2016/02/26 14:49:07]

Can you instead change the type of this const?

[pbos-webrtc, 2016/02/26 14:58:55]

This is stored in RtpUtility::Payload which has a flat buffer of size
RTP_PAYLOAD_NAME_SIZE. :(

   rtc::CritScope lock(&send_critsect_);
 
   std::map<int8_t, RtpUtility::Payload*>::iterator it =