diff --git a/api/test/mock_peerconnectioninterface.h b/api/test/mock_peerconnectioninterface.h
index 86abad5eac..bac9f08027 100644
--- a/api/test/mock_peerconnectioninterface.h
+++ b/api/test/mock_peerconnectioninterface.h
@@ -74,6 +74,8 @@ class MockPeerConnectionInterface
                void(rtc::scoped_refptr<RtpReceiverInterface>,
                     rtc::scoped_refptr<RTCStatsCollectorCallback>));
   MOCK_METHOD0(ClearStatsCache, void());
+  MOCK_CONST_METHOD0(GetSctpTransport,
+                     rtc::scoped_refptr<SctpTransportInterface>());
   MOCK_METHOD2(
       CreateDataChannel,
       rtc::scoped_refptr<DataChannelInterface>(const std::string&,
diff --git a/pc/test/fake_peer_connection_base.h b/pc/test/fake_peer_connection_base.h
index 85feebc358..d2fa1fd7d8 100644
--- a/pc/test/fake_peer_connection_base.h
+++ b/pc/test/fake_peer_connection_base.h
@@ -17,6 +17,7 @@
 #include <string>
 #include <vector>
 
+#include "api/sctp_transport_interface.h"
 #include "pc/peer_connection_internal.h"
 
 namespace webrtc {
@@ -108,6 +109,10 @@ class FakePeerConnectionBase : public PeerConnectionInternal {
 
   void ClearStatsCache() override {}
 
+  rtc::scoped_refptr<SctpTransportInterface> GetSctpTransport() const {
+    return nullptr;
+  }
+
   rtc::scoped_refptr<DataChannelInterface> CreateDataChannel(
       const std::string& label,
       const DataChannelInit* config) override {