Deletes the class VideoRendererCallback.

webrtc/modules/video_render/mac/video_render_mac_cocoa_impl.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 69 matching lines @@
     }
     _ptrWindow = window;
 
 
     _ptrWindow = window;
     _ptrCocoaRender->ChangeWindow((CocoaRenderView*)_ptrWindow);
 
     return 0;
 }
 
-VideoRenderCallback*
+rtc::VideoSinkInterface<VideoFrame>*
 VideoRenderMacCocoaImpl::AddIncomingRenderStream(const uint32_t streamId,
         const uint32_t zOrder,
         const float left,
         const float top,
         const float right,
         const float bottom)
 {
     CriticalSectionScoped cs(&_renderMacCocoaCritsect);
     WEBRTC_TRACE(kTraceDebug, kTraceVideoRenderer, _id, "%s", __FUNCTION__);
     VideoChannelNSOpenGL* nsOpenGLChannel = NULL;
@@ skipping 143 matching lines @@
 }
 
 int32_t VideoRenderMacCocoaImpl::FullScreenRender(void* window, const bool enable)
 {
     return -1;
 }
 
 }  // namespace webrtc
 
 #endif // COCOA_RENDERING