Refactoring: Merge VideoSenderConfig and AudioSenderConfig.

chrome/renderer/media/cast_session.cc

Index: chrome/renderer/media/cast_session.cc
diff --git a/chrome/renderer/media/cast_session.cc b/chrome/renderer/media/cast_session.cc
index 2689bd1117872b9b4237c2ec7a290212e031b091..48ceb1b74f000100018813c185afd3420f204d6b 100644
--- a/chrome/renderer/media/cast_session.cc
+++ b/chrome/renderer/media/cast_session.cc
@@ -54,7 +54,7 @@ CastSession::~CastSession() {
   CHECK(io_task_runner_->DeleteSoon(FROM_HERE, delegate_.release()));
 }
 
-void CastSession::StartAudio(const media::cast::AudioSenderConfig& config,
+void CastSession::StartAudio(const media::cast::FrameSenderConfig& config,
                              const AudioFrameInputAvailableCallback& callback,
                              const ErrorCallback& error_callback) {
   DCHECK(content::RenderThread::Get());
@@ -68,7 +68,7 @@ void CastSession::StartAudio(const media::cast::AudioSenderConfig& config,
                  media::BindToCurrentLoop(error_callback)));
 }
 
-void CastSession::StartVideo(const media::cast::VideoSenderConfig& config,
+void CastSession::StartVideo(const media::cast::FrameSenderConfig& config,
                              const VideoFrameInputAvailableCallback& callback,
                              const ErrorCallback& error_callback) {
   DCHECK(content::RenderThread::Get());