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

webrtc/media/base/videoframe.h

 /*
  *  Copyright (c) 2004 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 40 matching lines @@
   virtual int64_t GetTimeStamp() const {
     return rtc::kNumNanosecsPerMicrosec * timestamp_us();
   }
   virtual void SetTimeStamp(int64_t time_ns) {
     set_timestamp_us(time_ns / rtc::kNumNanosecsPerMicrosec);
   }
 
   // Indicates the rotation angle in degrees.
   virtual webrtc::VideoRotation rotation() const = 0;
 
-  // Make a shallow copy of the frame. The frame buffer itself is not copied.
-  // Both the current and new VideoFrame will share a single reference-counted
-  // frame buffer.
-
-  // TODO(nisse): Deprecated, to be deleted in the cricket::VideoFrame and
-  // webrtc::VideoFrame merge. To make a copy, use the cricket::WebRtcVideoFrame
-  // constructor passing video_frame_buffer(), rotation() and timestamp_us() as
-  // arguments.
-  virtual VideoFrame *Copy() const = 0;
-
   // Return a copy of frame which has its pending rotation applied. The
   // ownership of the returned frame is held by this frame.
 
   // TODO(nisse): Deprecated. Should be moved or deleted in the
   // cricket::VideoFrame and webrtc::VideoFrame merge, possibly with a helper
   // method on VideoFrameBuffer.
   virtual const VideoFrame* GetCopyWithRotationApplied() const = 0;
 
   // Converts the I420 data to RGB of a certain type such as ARGB and ABGR.
   // Returns the frame's actual size, regardless of whether it was written or
@@ skipping 17 matching lines @@
   static bool Validate(uint32_t fourcc,
                        int w,
                        int h,
                        const uint8_t* sample,
                        size_t sample_size);
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_MEDIA_BASE_VIDEOFRAME_H_