Revert of Refactoring: Merge VideoSenderConfig and AudioSenderConfig.

chrome/renderer/media/cast_session.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_RENDERER_MEDIA_CAST_SESSION_H_
 #define CHROME_RENDERER_MEDIA_CAST_SESSION_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 42 matching lines @@
   CastSession();
 
   // Start encoding of audio and video using the provided configuration.
   //
   // When Cast sender is started and ready to be used
   // media::cast::FrameInput will be given through |callback|.
   // If it encounters an error, |error_callback| will be invoked with the
   // error message. Both |callback| and |error_callback| will be made on
   // the main thread.
   // |StartUDP()| must be called before these methods.
-  void StartAudio(const media::cast::FrameSenderConfig& config,
+  void StartAudio(const media::cast::AudioSenderConfig& config,
                   const AudioFrameInputAvailableCallback& callback,
                   const ErrorCallback& error_callback);
-  void StartVideo(const media::cast::FrameSenderConfig& config,
+  void StartVideo(const media::cast::VideoSenderConfig& config,
                   const VideoFrameInputAvailableCallback& callback,
                   const ErrorCallback& error_callback);
 
   // This will create the Cast transport and connect to |remote_endpoint|.
   // |options| is a dictionary which contain optional configuration for the
   // udp transport.
   // Must be called before initialization of audio or video.
   void StartUDP(const net::IPEndPoint& remote_endpoint,
                 std::unique_ptr<base::DictionaryValue> options,
                 const ErrorCallback& error_callback);
@@ skipping 24 matching lines @@
   // because it is owned by this object.
   std::unique_ptr<CastSessionDelegate> delegate_;
 
   // Proxy to the IO task runner.
   const scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(CastSession);
 };
 
 #endif  // CHROME_RENDERER_MEDIA_CAST_SESSION_H_