Deletes the class VideoRendererCallback.

webrtc/modules/video_render/mac/video_render_nsopengl.h

Index: webrtc/modules/video_render/mac/video_render_nsopengl.h
diff --git a/webrtc/modules/video_render/mac/video_render_nsopengl.h b/webrtc/modules/video_render/mac/video_render_nsopengl.h
index 457557dad64cb28c4814194ea6f57ee975b32b65..a8a6c2b261d8723d55be8cdb42cad48d6383574c 100644
--- a/webrtc/modules/video_render/mac/video_render_nsopengl.h
+++ b/webrtc/modules/video_render/mac/video_render_nsopengl.h
@@ -40,7 +40,7 @@ class EventTimerWrapper;
 class VideoRenderNSOpenGL;
 class CriticalSectionWrapper;
 
-class VideoChannelNSOpenGL : public VideoRenderCallback {
+class VideoChannelNSOpenGL : public rtc::VideoSinkInterface<VideoFrame> {
 public:
     VideoChannelNSOpenGL(NSOpenGLContext *nsglContext, int iId, VideoRenderNSOpenGL* owner);
     virtual ~VideoChannelNSOpenGL();
@@ -66,8 +66,7 @@ public:
     virtual int UpdateStretchSize(int stretchHeight, int stretchWidth);
 
     // ********** new module functions ************ //
-    virtual int32_t RenderFrame(const uint32_t streamId,
-                                const VideoFrame& videoFrame);
+    void OnFrame(const VideoFrame& videoFrame) override;
 
     // ********** new module helper functions ***** //
     int ChangeContext(NSOpenGLContext *nsglContext);