Refactoring: Merge VideoSenderConfig and AudioSenderConfig.

media/cast/test/simulator.cc

Index: media/cast/test/simulator.cc
diff --git a/media/cast/test/simulator.cc b/media/cast/test/simulator.cc
index 0e2f1ea6ddf3d9c17f5a839485bea37905af63ea..1251fba5c3e900ea7d26af51d2b63a4348c3789d 100644
--- a/media/cast/test/simulator.cc
+++ b/media/cast/test/simulator.cc
@@ -356,7 +356,7 @@ void RunSimulation(const base::FilePath& source_path,
   sender_env->logger()->Subscribe(&video_event_subscriber);
 
   // Audio sender config.
-  AudioSenderConfig audio_sender_config = GetDefaultAudioSenderConfig();
+  FrameSenderConfig audio_sender_config = GetDefaultAudioSenderConfig();
   audio_sender_config.min_playout_delay =
       audio_sender_config.max_playout_delay = base::TimeDelta::FromMilliseconds(
           GetIntegerSwitchValue(kTargetDelay, 400));
@@ -368,10 +368,10 @@ void RunSimulation(const base::FilePath& source_path,
       audio_sender_config.max_playout_delay.InMilliseconds();
 
   // Video sender config.
-  VideoSenderConfig video_sender_config = GetDefaultVideoSenderConfig();
+  FrameSenderConfig video_sender_config = GetDefaultVideoSenderConfig();
   video_sender_config.max_bitrate = 2500000;
   video_sender_config.min_bitrate = 2000000;
-  video_sender_config.start_bitrate = 2000000;
+  video_sender_config.codec_specific_params.start_bitrate = 2000000;
   video_sender_config.min_playout_delay =
       video_sender_config.max_playout_delay =
           audio_sender_config.max_playout_delay;