Delete VideoReceiveStream::Config::pre_render_callback.

webrtc/video_receive_stream.h

Index: webrtc/video_receive_stream.h
diff --git a/webrtc/video_receive_stream.h b/webrtc/video_receive_stream.h
index 3158ebde89d6c7179997443db49537451a8a25ee..12629d06378085b2a0bbee04d4877284390593e5 100644
--- a/webrtc/video_receive_stream.h
+++ b/webrtc/video_receive_stream.h
@@ -180,14 +180,6 @@ class VideoReceiveStream {
     // saving the stream to a file. 'nullptr' disables the callback.
     EncodedFrameObserver* pre_decode_callback = nullptr;
 
-    // Called for each decoded frame. E.g. used when adding effects to the
-    // decoded
-    // stream. 'nullptr' disables the callback.
-    // TODO(tommi): This seems to be only used by a test or two.  Consider
-    // removing it (and use an appropriate alternative in the tests) as well
-    // as the associated code in VideoStreamDecoder.
-    I420FrameCallback* pre_render_callback = nullptr;
-
     // Target delay in milliseconds. A positive value indicates this stream is
     // used for streaming instead of a real-time call.
     int target_delay_ms = 0;