[Cast] Clean-up: Merge AudioReceiverConfig+VideoReceiverConfig-->FrameReceiverConfig.

media/cast/cast_receiver.h

Index: media/cast/cast_receiver.h
diff --git a/media/cast/cast_receiver.h b/media/cast/cast_receiver.h
index 22e7bda30b2af78b6814a50b32498fb3350287e5..2d83dd263fd28200268f3eb6f37198a64a31c8f6 100644
--- a/media/cast/cast_receiver.h
+++ b/media/cast/cast_receiver.h
@@ -70,8 +70,8 @@ class CastReceiver {
  public:
   static scoped_ptr<CastReceiver> Create(
       scoped_refptr<CastEnvironment> cast_environment,
-      const AudioReceiverConfig& audio_config,
-      const VideoReceiverConfig& video_config,
+      const FrameReceiverConfig& audio_config,
+      const FrameReceiverConfig& video_config,
       transport::PacketSender* const packet_sender);
 
   // All received RTP and RTCP packets for the call should be sent to this