Move ready to send logic from BaseChannel to RtpTransport.

webrtc/pc/rtptransport.h

Index: webrtc/pc/rtptransport.h
diff --git a/webrtc/pc/rtptransport.h b/webrtc/pc/rtptransport.h
index f5ffe3fe5f154aad0956d81a1877358f50ad6e48..f7793282b9420a8e9d784f0bf91fb633282f2c4c 100644
--- a/webrtc/pc/rtptransport.h
+++ b/webrtc/pc/rtptransport.h
@@ -12,6 +12,7 @@
 #define WEBRTC_PC_RTPTRANSPORT_H_
 
 #include "webrtc/api/ortc/rtptransportinterface.h"
+#include "webrtc/base/sigslot.h"
 
 namespace rtc {
 
@@ -21,7 +22,7 @@ class PacketTransportInternal;
 
 namespace webrtc {
 
-class RtpTransport : public RtpTransportInterface {
+class RtpTransport : public RtpTransportInterface, public sigslot::has_slots<> {
  public:
   RtpTransport(const RtpTransport&) = delete;
   RtpTransport& operator=(const RtpTransport&) = delete;
@@ -41,6 +42,14 @@ class RtpTransport : public RtpTransportInterface {
   }
   void set_rtcp_packet_transport(rtc::PacketTransportInternal* rtcp);
 
+  void Connect(bool rtcp);
+  void Disconnect(bool rtcp);
+
+  void OnReadyToSend(rtc::PacketTransportInternal* transport);

[Taylor Brandstetter, 2017/04/14 18:05:33]

This should be private.

[Zach Stein, 2017/04/18 23:39:29]

Done.

+  sigslot::signal1<bool> SignalReadyToSend;
+
+  void SetReadyToSend(bool rtcp, bool ready);
+
   PacketTransportInterface* GetRtpPacketTransport() const override;
   PacketTransportInterface* GetRtcpPacketTransport() const override;
 
@@ -60,6 +69,9 @@ class RtpTransport : public RtpTransportInterface {
   rtc::PacketTransportInternal* rtp_packet_transport_ = nullptr;
   rtc::PacketTransportInternal* rtcp_packet_transport_ = nullptr;
 
+  bool rtp_ready_to_send_ = false;
+  bool rtcp_ready_to_send_ = false;
+
   RtcpParameters rtcp_parameters_;
 };