Delete method webrtc::VideoFrame::native_handle.

webrtc/video/vie_encoder.cc

Index: webrtc/video/vie_encoder.cc
diff --git a/webrtc/video/vie_encoder.cc b/webrtc/video/vie_encoder.cc
index 24b8ce3cd1c4e392d2a0fef1ec8ffb8f00a4050b..189cf4df606d06af514672744f1f344912aeaf83 100644
--- a/webrtc/video/vie_encoder.cc
+++ b/webrtc/video/vie_encoder.cc
@@ -334,7 +334,9 @@ void ViEEncoder::EncodeVideoFrame(const VideoFrame& video_frame) {
                           "Encode");
   const VideoFrame* frame_to_send = &video_frame;
   // TODO(wuchengli): support texture frames.
-  if (!video_frame.native_handle()) {
+  // TODO(nisse): Is it allowed to have video_frame_buffer() return a
+  // nullptr here?
+  if (!video_frame.video_frame_buffer()->native_handle()) {
     // Pass frame via preprocessor.
     frame_to_send = vp_->PreprocessFrame(video_frame);
     if (!frame_to_send) {