Exposing RtpSenders and RtpReceivers from PeerConnection.

talk/app/webrtc/peerconnectioninterface.h

Index: talk/app/webrtc/peerconnectioninterface.h
diff --git a/talk/app/webrtc/peerconnectioninterface.h b/talk/app/webrtc/peerconnectioninterface.h
index ca853385e6327fdcad52014b32abc115685e80c1..d9e4f70d774f9b1362a0aaca4dffff93d991c403 100644
--- a/talk/app/webrtc/peerconnectioninterface.h
+++ b/talk/app/webrtc/peerconnectioninterface.h
@@ -77,6 +77,8 @@
 #include "talk/app/webrtc/dtlsidentitystore.h"
 #include "talk/app/webrtc/jsep.h"
 #include "talk/app/webrtc/mediastreaminterface.h"
+#include "talk/app/webrtc/rtpreceiverinterface.h"
+#include "talk/app/webrtc/rtpsenderinterface.h"
 #include "talk/app/webrtc/statstypes.h"
 #include "talk/app/webrtc/umametrics.h"
 #include "webrtc/base/fileutils.h"
@@ -322,6 +324,12 @@ class PeerConnectionInterface : public rtc::RefCountInterface {
   virtual rtc::scoped_refptr<DtmfSenderInterface> CreateDtmfSender(
       AudioTrackInterface* track) = 0;
 
+  virtual std::vector<rtc::scoped_refptr<RtpSenderInterface>> GetSenders()
+      const = 0;
+
+  virtual std::vector<rtc::scoped_refptr<RtpReceiverInterface>> GetReceivers()
+      const = 0;
+
   virtual bool GetStats(StatsObserver* observer,
                         MediaStreamTrackInterface* track,
                         StatsOutputLevel level) = 0;