Simplify interface for media/cast: CastTransportSenderImpl

media/cast/net/mock_cast_transport_sender.h

Index: media/cast/net/mock_cast_transport_sender.h
diff --git a/media/cast/net/mock_cast_transport_sender.h b/media/cast/net/mock_cast_transport_sender.h
index 371b419251c96ce0b5589039fbb441a4685fbba7..bf1dfc0dc1ae7e11ec3aba05bdb9dca1a8c75066 100644
--- a/media/cast/net/mock_cast_transport_sender.h
+++ b/media/cast/net/mock_cast_transport_sender.h
@@ -45,6 +45,7 @@ class MockCastTransportSender : public CastTransportSender {
                     base::TimeDelta target_delay,
                     const ReceiverRtcpEventSubscriber::RtcpEvents* rtcp_events,
                     const RtpReceiverStatistics* rtp_receiver_statistics));
+  MOCK_METHOD1(SetOptions, void(const base::DictionaryValue& options));
 };
 
 }  // namespace cast