Reland of Delete method cricket::VideoFrame::Copy.

talk/app/webrtc/objc/RTCI420Frame.mm

 /*
  * libjingle
  * Copyright 2013 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 11 matching lines @@
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #import "RTCI420Frame.h"
 
 #include <memory>
 
-#include "webrtc/media/base/videoframe.h"
+#include "webrtc/media/engine/webrtcvideoframe.h"
 
 @implementation RTCI420Frame {
   std::unique_ptr<cricket::VideoFrame> _videoFrame;
 }
 
 - (NSUInteger)width {
   return _videoFrame->width();
 }
 
 - (NSUInteger)height {
@@ skipping 48 matching lines @@
 }
 
 @end
 
 @implementation RTCI420Frame (Internal)
 
 - (instancetype)initWithVideoFrame:(cricket::VideoFrame*)videoFrame {
   if (self = [super init]) {
     // Keep a shallow copy of the video frame. The underlying frame buffer is
     // not copied.
-    _videoFrame.reset(videoFrame->Copy());
+    _videoFrame.reset(new cricket::WebRtcVideoFrame(
+        videoFrame->video_frame_buffer(),
+        videoFrame->rotation(),
+        videoFrame->timestamp_us()));
   }
   return self;
 }
 
 @end