Deletes the class VideoRendererCallback.

webrtc/modules/video_render/ios/video_render_ios_channel.h

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_MODULES_VIDEO_RENDER_IOS_VIDEO_RENDER_IOS_CHANNEL_H_
 #define WEBRTC_MODULES_VIDEO_RENDER_IOS_VIDEO_RENDER_IOS_CHANNEL_H_
 
 #include "webrtc/modules/video_render/video_render_defines.h"
 #include "webrtc/modules/video_render/ios/video_render_ios_view.h"
 
 namespace webrtc {
 
 class VideoRenderIosGles20;
 
-class VideoRenderIosChannel : public VideoRenderCallback {
+class VideoRenderIosChannel : public rtc::VideoSinkInterface<VideoFrame> {
  public:
   explicit VideoRenderIosChannel(VideoRenderIosView* view);
   virtual ~VideoRenderIosChannel();
 
-  // Implementation of VideoRenderCallback.
-  int32_t RenderFrame(const uint32_t stream_id,
-                      const VideoFrame& video_frame) override;
+  // Implementation of rtc::VideoSinkInterface<VideoFrame>.
+  void OnFrame(const VideoFrame& video_frame) override;
 
   int SetStreamSettings(const float z_order,
                         const float left,
                         const float top,
                         const float right,
                         const float bottom);
   bool IsUpdated();
   bool RenderOffScreenBuffer();
 
  private:
   VideoRenderIosView* view_;
   VideoFrame* current_frame_;
   bool buffer_is_updated_;
 };
 
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_VIDEO_RENDER_IOS_VIDEO_RENDER_IOS_CHANNEL_H_