Refactoring: Merge VideoSenderConfig and AudioSenderConfig.

media/cast/sender/audio_sender_unittest.cc

Index: media/cast/sender/audio_sender_unittest.cc
diff --git a/media/cast/sender/audio_sender_unittest.cc b/media/cast/sender/audio_sender_unittest.cc
index 3bb9f9a059062cc7465f3106c5464c63602ed130..6aa6040821fd9b005ec36c134ef8847b60cca385 100644
--- a/media/cast/sender/audio_sender_unittest.cc
+++ b/media/cast/sender/audio_sender_unittest.cc
@@ -105,8 +105,8 @@ class AudioSenderTest : public ::testing::Test {
     audio_config_.use_external_encoder = false;
     audio_config_.frequency = kDefaultAudioSamplingRate;
     audio_config_.channels = 2;
-    audio_config_.bitrate = kDefaultAudioEncoderBitrate;
-    audio_config_.rtp_payload_type = 127;
+    audio_config_.max_bitrate = kDefaultAudioEncoderBitrate;
+    audio_config_.rtp_payload_type = RtpPayloadType::AUDIO_OPUS;
 
     transport_ = new TestPacketSender();
     transport_sender_.reset(
@@ -131,7 +131,7 @@ class AudioSenderTest : public ::testing::Test {
   scoped_refptr<FakeSingleThreadTaskRunner> task_runner_;
   std::unique_ptr<AudioSender> audio_sender_;
   scoped_refptr<CastEnvironment> cast_environment_;
-  AudioSenderConfig audio_config_;
+  FrameSenderConfig audio_config_;
 };
 
 TEST_F(AudioSenderTest, Encode20ms) {