New static I420Buffer::Rotate method, to replace GetCopyWithRotationApplied.

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 53 matching lines @@
 
   // 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.
+  // TODO(nisse): Deprecated, no longer used within webrtc. Should be
+  // deleted as soon as downstream applications are updated. Use
+  // webrtc::VideoFrameBuffer::Rotate instead.
   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
   // not (like snprintf). Parameters size and stride_rgb are in units of bytes.
   // If there is insufficient space, nothing is written.
 
   // TODO(nisse): Deprecated. Should be moved or deleted in the
   // cricket::VideoFrame and webrtc::VideoFrame merge. Use
   // libyuv::ConvertFromI420 directly instead.
@@ skipping 11 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_