Delete IsMutable and IsExclusive methods.

webrtc/media/engine/webrtcvideoframe.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 61 matching lines @@
 }
 
 int WebRtcVideoFrame::width() const {
   return video_frame_buffer_ ? video_frame_buffer_->width() : 0;
 }
 
 int WebRtcVideoFrame::height() const {
   return video_frame_buffer_ ? video_frame_buffer_->height() : 0;
 }
 
-bool WebRtcVideoFrame::IsExclusive() const {
-  return video_frame_buffer_->IsMutable();
-}
-
 const rtc::scoped_refptr<webrtc::VideoFrameBuffer>&
 WebRtcVideoFrame::video_frame_buffer() const {
   return video_frame_buffer_;
 }
 
 VideoFrame* WebRtcVideoFrame::Copy() const {
   return new WebRtcVideoFrame(video_frame_buffer_, rotation_, timestamp_us_);
 }
 
 size_t WebRtcVideoFrame::ConvertToRgbBuffer(uint32_t to_fourcc,
@@ skipping 127 matching lines @@
       rotated_frame_->video_frame_buffer()->StrideV(),
       orig_width, orig_height,
       static_cast<libyuv::RotationMode>(rotation()));
   if (ret == 0) {
     return rotated_frame_.get();
   }
   return nullptr;
 }
 
 }  // namespace cricket