Refactoring: Merge VideoSenderConfig and AudioSenderConfig.

media/cast/net/cast_transport_impl_unittest.cc

Index: media/cast/net/cast_transport_impl_unittest.cc
diff --git a/media/cast/net/cast_transport_impl_unittest.cc b/media/cast/net/cast_transport_impl_unittest.cc
index fdc2657a228436014e768c0e3796bec7783ef017..958e7d154a94cf92c1f304a9acd2689d3ffd7216 100644
--- a/media/cast/net/cast_transport_impl_unittest.cc
+++ b/media/cast/net/cast_transport_impl_unittest.cc
@@ -106,7 +106,7 @@ class CastTransportImplTest : public ::testing::Test {
     CastTransportRtpConfig rtp_config;
     rtp_config.ssrc = kVideoSsrc;
     rtp_config.feedback_ssrc = 2;
-    rtp_config.rtp_payload_type = 3;
+    rtp_config.rtp_payload_type = RtpPayloadType::VIDEO_VP8;
     transport_sender_->InitializeVideo(
         rtp_config, base::WrapUnique(new StubRtcpObserver()));
   }
@@ -115,7 +115,7 @@ class CastTransportImplTest : public ::testing::Test {
     CastTransportRtpConfig rtp_config;
     rtp_config.ssrc = kAudioSsrc;
     rtp_config.feedback_ssrc = 3;
-    rtp_config.rtp_payload_type = 4;
+    rtp_config.rtp_payload_type = RtpPayloadType::AUDIO_OPUS;
     transport_sender_->InitializeAudio(
         rtp_config, base::WrapUnique(new StubRtcpObserver()));
   }