Fix dependencies on deprecated webrtc videoframe features.

content/renderer/media/webrtc/media_stream_remote_video_source.cc

Index: content/renderer/media/webrtc/media_stream_remote_video_source.cc
diff --git a/content/renderer/media/webrtc/media_stream_remote_video_source.cc b/content/renderer/media/webrtc/media_stream_remote_video_source.cc
index a3aa59e0fa00f287f052055cec5c05fcbc2b6626..d433204ac62f11007cf4c716c2484ea51004f082 100644
--- a/content/renderer/media/webrtc/media_stream_remote_video_source.cc
+++ b/content/renderer/media/webrtc/media_stream_remote_video_source.cc
@@ -16,6 +16,7 @@
 #include "media/base/timestamp_constants.h"
 #include "media/base/video_frame.h"
 #include "media/base/video_util.h"
+#include "third_party/webrtc/api/video/i420_buffer.h"
 #include "third_party/webrtc/media/base/videosinkinterface.h"
 
 namespace content {
@@ -123,7 +124,7 @@ void MediaStreamRemoteVideoSource::RemoteVideoSourceDelegate::OnFrame(
           WebRTCToMediaVideoRotation(incoming_frame.rotation()));
     }
   } else {
-    buffer = webrtc::I420Buffer::Rotate(incoming_frame.video_frame_buffer(),
+    buffer = webrtc::I420Buffer::Rotate(*incoming_frame.video_frame_buffer(),
                                         incoming_frame.rotation());
 
     gfx::Size size(buffer->width(), buffer->height());