Update WebrtcVideoRendererAdapter to new buffer interface

remoting/protocol/webrtc_video_renderer_adapter.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/protocol/webrtc_video_renderer_adapter.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 
@@ skipping 22 matching lines @@
 
 std::unique_ptr<webrtc::DesktopFrame> ConvertYuvToRgb(
     scoped_refptr<webrtc::VideoFrameBuffer> yuv_frame,
     std::unique_ptr<webrtc::DesktopFrame> rgb_frame,
     FrameConsumer::PixelFormat pixel_format) {
   DCHECK(rgb_frame->size().equals(
       webrtc::DesktopSize(yuv_frame->width(), yuv_frame->height())));
   auto yuv_to_rgb_function = (pixel_format == FrameConsumer::FORMAT_BGRA)
                                  ? &libyuv::I420ToARGB
                                  : &libyuv::I420ToABGR;
-  yuv_to_rgb_function(yuv_frame->DataY(), yuv_frame->StrideY(),
-                      yuv_frame->DataU(), yuv_frame->StrideU(),
-                      yuv_frame->DataV(), yuv_frame->StrideV(),
+  rtc::scoped_refptr<const webrtc::I420BufferInterface> i420_frame =
+      yuv_frame->ToI420();
+  yuv_to_rgb_function(i420_frame->DataY(), i420_frame->StrideY(),
+                      i420_frame->DataU(), i420_frame->StrideU(),
+                      i420_frame->DataV(), i420_frame->StrideV(),
                       rgb_frame->data(), rgb_frame->stride(),
-                      yuv_frame->width(), yuv_frame->height());
+                      i420_frame->width(), i420_frame->height());
 
   rgb_frame->mutable_updated_region()->AddRect(
       webrtc::DesktopRect::MakeSize(rgb_frame->size()));
   return rgb_frame;
 }
 
 }  // namespace
 
 WebrtcVideoRendererAdapter::WebrtcVideoRendererAdapter(
     const std::string& label,
@@ skipping 180 matching lines @@
   frame_stats.client_stats = *client_stats;
   host_stats_queue_.pop_front();
   FrameStatsConsumer* frame_stats_consumer =
       video_renderer_->GetFrameStatsConsumer();
   if (frame_stats_consumer)
     frame_stats_consumer->OnVideoFrameStats(frame_stats);
 }
 
 }  // namespace protocol
 }  // namespace remoting