Update I420Buffer to new VideoFrameBuffer interface

webrtc/media/base/videocapturer.cc

 /*
  *  Copyright (c) 2010 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 187 matching lines @@
 void VideoCapturer::OnFrame(const webrtc::VideoFrame& frame,
                             int orig_width,
                             int orig_height) {
   // For a child class which implements rotation itself, we should
   // always have apply_rotation_ == false or frame.rotation() == 0.
   // Except possibly during races where apply_rotation_ is changed
   // mid-stream.
   if (apply_rotation_ && frame.rotation() != webrtc::kVideoRotation_0) {
     rtc::scoped_refptr<webrtc::VideoFrameBuffer> buffer(
         frame.video_frame_buffer());
-    if (buffer->native_handle()) {
-      // Sources producing native frames must handle apply_rotation
+    if (buffer->type() != webrtc::VideoFrameBuffer::Type::kI420) {
+      // Sources producing non-I420 frames must handle apply_rotation
       // themselves. But even if they do, we may occasionally end up
       // in this case, for frames in flight at the time
       // applied_rotation is set to true. In that case, we just drop
       // the frame.
-      LOG(LS_WARNING) << "Native frame requiring rotation. Discarding.";
+      LOG(LS_WARNING) << "Non-I420 frame requiring rotation. Discarding.";
       return;
     }
     broadcaster_.OnFrame(webrtc::VideoFrame(
-        webrtc::I420Buffer::Rotate(*buffer, frame.rotation()),
+        webrtc::I420Buffer::Rotate(*buffer->GetI420(), frame.rotation()),
         webrtc::kVideoRotation_0, frame.timestamp_us()));
   } else {
     broadcaster_.OnFrame(frame);
   }
   UpdateInputSize(orig_width, orig_height);
 }
 
 void VideoCapturer::SetCaptureState(CaptureState state) {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   if (state == capture_state_) {
@@ skipping 135 matching lines @@
 void VideoCapturer::UpdateInputSize(int width, int height) {
   // Update stats protected from fetches from different thread.
   rtc::CritScope cs(&frame_stats_crit_);
 
   input_size_valid_ = true;
   input_width_ = width;
   input_height_ = height;
 }
 
 }  // namespace cricket