Set actual transport overhead in rtp_rtcp

webrtc/p2p/base/faketransportcontroller.h

Index: webrtc/p2p/base/faketransportcontroller.h
diff --git a/webrtc/p2p/base/faketransportcontroller.h b/webrtc/p2p/base/faketransportcontroller.h
index 9598b822ce0dcf43dff855ebc95b4de475ddf661..7dacf26aa9260c0fa0fb05f882a18270a8976aad 100644
--- a/webrtc/p2p/base/faketransportcontroller.h
+++ b/webrtc/p2p/base/faketransportcontroller.h
@@ -16,7 +16,7 @@
 #include <string>
 #include <vector>
 
-#include "webrtc/p2p/base/candidatepairinterface.h"
+#include "webrtc/p2p/base/candidatepair.h"
 #include "webrtc/p2p/base/transport.h"
 #include "webrtc/p2p/base/transportchannel.h"
 #include "webrtc/p2p/base/transportcontroller.h"
@@ -483,24 +483,6 @@ class FakeQuicTransport : public QuicTransport {
 };
 #endif
 
-// Fake candidate pair class, which can be passed to BaseChannel for testing
-// purposes.
-class FakeCandidatePair : public CandidatePairInterface {
- public:
-  FakeCandidatePair(const Candidate& local_candidate,
-                    const Candidate& remote_candidate)
-      : local_candidate_(local_candidate),
-        remote_candidate_(remote_candidate) {}
-  const Candidate& local_candidate() const override { return local_candidate_; }
-  const Candidate& remote_candidate() const override {
-    return remote_candidate_;
-  }
-
- private:
-  Candidate local_candidate_;
-  Candidate remote_candidate_;
-};
-
 // Fake TransportController class, which can be passed into a BaseChannel object
 // for test purposes. Can be connected to other FakeTransportControllers via
 // Connect().
@@ -560,16 +542,15 @@ class FakeTransportController : public TransportController {
                                                          component);
   }
 
-  FakeCandidatePair* CreateFakeCandidatePair(
-      const rtc::SocketAddress& local_address,
-      int16_t local_network_id,
-      const rtc::SocketAddress& remote_address,
-      int16_t remote_network_id) {
+  CandidatePair* CreateCandidatePair(const rtc::SocketAddress& local_address,
+                                     int16_t local_network_id,
+                                     const rtc::SocketAddress& remote_address,
+                                     int16_t remote_network_id) {
     Candidate local_candidate(0, "udp", local_address, 0u, "", "", "local", 0,
                               "foundation", local_network_id, 0);
     Candidate remote_candidate(0, "udp", remote_address, 0u, "", "", "local", 0,
                                "foundation", remote_network_id, 0);
-    return new FakeCandidatePair(local_candidate, remote_candidate);
+    return new CandidatePair(local_candidate, remote_candidate);
   }
 
   void set_fail_channel_creation(bool fail_channel_creation) {