Refactoring: Merge VideoSenderConfig and AudioSenderConfig.

media/cast/sender/video_encoder_impl.h

 // Copyright 2014 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 MEDIA_CAST_SENDER_VIDEO_ENCODER_IMPL_H_
 #define MEDIA_CAST_SENDER_VIDEO_ENCODER_IMPL_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 10 matching lines @@
 // This object is called external from the main cast thread and internally from
 // the video encoder thread.
 class VideoEncoderImpl : public VideoEncoder {
  public:
   struct CodecDynamicConfig {
     bool key_frame_requested;
     int bit_rate;
   };
 
   // Returns true if VideoEncoderImpl can be used with the given |video_config|.
-  static bool IsSupported(const VideoSenderConfig& video_config);
+  static bool IsSupported(const FrameSenderConfig& video_config);
 
   VideoEncoderImpl(scoped_refptr<CastEnvironment> cast_environment,
-                   const VideoSenderConfig& video_config,
+                   const FrameSenderConfig& video_config,
                    const StatusChangeCallback& status_change_cb);
 
   ~VideoEncoderImpl() final;
 
   // VideoEncoder implementation.
   bool EncodeVideoFrame(
       const scoped_refptr<media::VideoFrame>& video_frame,
       const base::TimeTicks& reference_time,
       const FrameEncodedCallback& frame_encoded_callback) final;
   void SetBitRate(int new_bit_rate) final;
   void GenerateKeyFrame() final;
 
  private:
   scoped_refptr<CastEnvironment> cast_environment_;
   CodecDynamicConfig dynamic_config_;
 
   // This member belongs to the video encoder thread. It must not be
   // dereferenced on the main thread. We manage the lifetime of this member
   // manually because it needs to be initialize, used and destroyed on the
   // video encoder thread and video encoder thread can out-live the main thread.
   std::unique_ptr<SoftwareVideoEncoder> encoder_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoEncoderImpl);
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_SENDER_VIDEO_ENCODER_IMPL_H_