Updates for ongoing webrtc VideoFrame refactoring.

content/renderer/media/rtc_video_encoder.cc

Index: content/renderer/media/rtc_video_encoder.cc
diff --git a/content/renderer/media/rtc_video_encoder.cc b/content/renderer/media/rtc_video_encoder.cc
index 7fd656ec9b92835196c78f2e2a8ab4c27cc3317e..e01a706c25102b9d4f934673a30666172103bb08 100644
--- a/content/renderer/media/rtc_video_encoder.cc
+++ b/content/renderer/media/rtc_video_encoder.cc
@@ -509,8 +509,9 @@ void RTCVideoEncoder::Impl::EncodeOneFrame() {
   const int index = input_buffers_free_.back();
   bool requires_copy = false;
   scoped_refptr<media::VideoFrame> frame;
-  if (next_frame->native_handle()) {
-    frame = static_cast<media::VideoFrame*>(next_frame->native_handle());
+  if (next_frame->video_frame_buffer()->native_handle()) {
+    frame = static_cast<media::VideoFrame*>(
+        next_frame->video_frame_buffer()->native_handle());
     requires_copy = RequiresSizeChange(frame);
   } else {
     requires_copy = true;