Revert of Delete webrtc::VideoFrame methods buffer and stride.

webrtc/modules/video_coding/codecs/vp9/vp9_impl.cc

 /*
  *  Copyright (c) 2014 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 482 matching lines @@
   RTC_DCHECK_EQ(input_image.height(), static_cast<int>(raw_->d_h));
 
   // Set input image for use in the callback.
   // This was necessary since you need some information from input_image.
   // You can save only the necessary information (such as timestamp) instead of
   // doing this.
   input_image_ = &input_image;
 
   // Image in vpx_image_t format.
   // Input image is const. VPX's raw image is not defined as const.
-  raw_->planes[VPX_PLANE_Y] =
-      const_cast<uint8_t*>(input_image.video_frame_buffer()->DataY());
-  raw_->planes[VPX_PLANE_U] =
-      const_cast<uint8_t*>(input_image.video_frame_buffer()->DataU());
-  raw_->planes[VPX_PLANE_V] =
-      const_cast<uint8_t*>(input_image.video_frame_buffer()->DataV());
-  raw_->stride[VPX_PLANE_Y] = input_image.video_frame_buffer()->StrideY();
-  raw_->stride[VPX_PLANE_U] = input_image.video_frame_buffer()->StrideU();
-  raw_->stride[VPX_PLANE_V] = input_image.video_frame_buffer()->StrideV();
+  raw_->planes[VPX_PLANE_Y] = const_cast<uint8_t*>(input_image.buffer(kYPlane));
+  raw_->planes[VPX_PLANE_U] = const_cast<uint8_t*>(input_image.buffer(kUPlane));
+  raw_->planes[VPX_PLANE_V] = const_cast<uint8_t*>(input_image.buffer(kVPlane));
+  raw_->stride[VPX_PLANE_Y] = input_image.stride(kYPlane);
+  raw_->stride[VPX_PLANE_U] = input_image.stride(kUPlane);
+  raw_->stride[VPX_PLANE_V] = input_image.stride(kVPlane);
 
   vpx_enc_frame_flags_t flags = 0;
   bool send_keyframe = (frame_type == kVideoFrameKey);
   if (send_keyframe) {
     // Key frame request from caller.
     flags = VPX_EFLAG_FORCE_KF;
   }
 
   if (is_flexible_mode_) {
     SuperFrameRefSettings settings;
@@ skipping 461 matching lines @@
   frame_buffer_pool_.ClearPool();
   inited_ = false;
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
 const char* VP9DecoderImpl::ImplementationName() const {
   return "libvpx";
 }
 
 }  // namespace webrtc