Deletes the class VideoRendererCallback.

webrtc/modules/video_render/mac/video_render_nsopengl.mm

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 71 matching lines @@
 
     left = _startWidth;
     top = _startHeight;
     right = _stopWidth;
     bottom = _stopHeight;
 
     _owner->UnlockAGLCntx();
     return 0;
 }
 
-int32_t VideoChannelNSOpenGL::RenderFrame(const uint32_t /*streamId*/,
-                                          const VideoFrame& videoFrame) {
+void VideoChannelNSOpenGL::OnFrame(const VideoFrame& videoFrame) {
   _owner->LockAGLCntx();
 
   if(_width != videoFrame.width() ||
      _height != videoFrame.height()) {
       if(FrameSizeChange(videoFrame.width(), videoFrame.height(), 1) == -1) {
         _owner->UnlockAGLCntx();
-        return -1;
+        return;
       }
   }
-  int ret = DeliverFrame(videoFrame);
-
+  DeliverFrame(videoFrame);
   _owner->UnlockAGLCntx();
-  return ret;
 }
 
 int VideoChannelNSOpenGL::UpdateSize(int width, int height)
 {
     _owner->LockAGLCntx();
     _width = width;
     _height = height;
     _owner->UnlockAGLCntx();
     return 0;
 }
@@ skipping 1121 matching lines @@
  }
 
 
 
  */
 
 
 }  // namespace webrtc
 
 #endif // COCOA_RENDERING