Delete unused cricket::VideoFrame methods MakeExclusive and CopyToFrame.

webrtc/media/base/videoframe.cc

 /*
  *  Copyright (c) 2011 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 28 matching lines @@
   int32_t src_height = static_cast<int>(GetHeight());
   return libyuv::I420Copy(GetYPlane(), GetYPitch(),
                           GetUPlane(), GetUPitch(),
                           GetVPlane(), GetVPitch(),
                           dst_y, dst_pitch_y,
                           dst_u, dst_pitch_u,
                           dst_v, dst_pitch_v,
                           src_width, src_height) == 0;
 }
 
-void VideoFrame::CopyToFrame(VideoFrame* dst) const {
-  if (!dst) {
-    LOG(LS_ERROR) << "NULL dst pointer.";
-    return;
-  }
-
-  CopyToPlanes(dst->GetYPlane(), dst->GetUPlane(), dst->GetVPlane(),
-               dst->GetYPitch(), dst->GetUPitch(), dst->GetVPitch());
-}
-
 size_t VideoFrame::ConvertToRgbBuffer(uint32_t to_fourcc,
                                       uint8_t* buffer,
                                       size_t size,
                                       int stride_rgb) const {
   const size_t needed = std::abs(stride_rgb) * GetHeight();
   if (size < needed) {
     LOG(LS_WARNING) << "RGB buffer is not large enough";
     return needed;
   }
 
@@ skipping 242 matching lines @@
                  << " expected: " << expected_size
                  << " sample[0..3]: " << static_cast<int>(four_samples[0])
                  << ", " << static_cast<int>(four_samples[1])
                  << ", " << static_cast<int>(four_samples[2])
                  << ", " << static_cast<int>(four_samples[3]);
   }
   return true;
 }
 
 }  // namespace cricket