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

webrtc/modules/video_coding/codecs/vp8/simulcast_encoder_adapter.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 283 matching lines @@
     if ((dst_width == src_width && dst_height == src_height) ||
         input_image.IsZeroSize()) {
       streaminfos_[stream_idx].encoder->Encode(input_image, codec_specific_info,
                                                &stream_frame_types);
     } else {
       VideoFrame dst_frame;
       // Making sure that destination frame is of sufficient size.
       // Aligning stride values based on width.
       dst_frame.CreateEmptyFrame(dst_width, dst_height, dst_width,
                                  (dst_width + 1) / 2, (dst_width + 1) / 2);
-      libyuv::I420Scale(input_image.video_frame_buffer()->DataY(),
-                        input_image.video_frame_buffer()->StrideY(),
-                        input_image.video_frame_buffer()->DataU(),
-                        input_image.video_frame_buffer()->StrideU(),
-                        input_image.video_frame_buffer()->DataV(),
-                        input_image.video_frame_buffer()->StrideV(),
-                        src_width, src_height,
-                        dst_frame.video_frame_buffer()->MutableDataY(),
-                        dst_frame.video_frame_buffer()->StrideY(),
-                        dst_frame.video_frame_buffer()->MutableDataU(),
-                        dst_frame.video_frame_buffer()->StrideU(),
-                        dst_frame.video_frame_buffer()->MutableDataV(),
-                        dst_frame.video_frame_buffer()->StrideV(),
-                        dst_width, dst_height,
-                        libyuv::kFilterBilinear);
+      libyuv::I420Scale(
+          input_image.buffer(kYPlane), input_image.stride(kYPlane),
+          input_image.buffer(kUPlane), input_image.stride(kUPlane),
+          input_image.buffer(kVPlane), input_image.stride(kVPlane), src_width,
+          src_height, dst_frame.buffer(kYPlane), dst_frame.stride(kYPlane),
+          dst_frame.buffer(kUPlane), dst_frame.stride(kUPlane),
+          dst_frame.buffer(kVPlane), dst_frame.stride(kVPlane), dst_width,
+          dst_height, libyuv::kFilterBilinear);
       dst_frame.set_timestamp(input_image.timestamp());
       dst_frame.set_render_time_ms(input_image.render_time_ms());
       streaminfos_[stream_idx].encoder->Encode(dst_frame, codec_specific_info,
                                                &stream_frame_types);
     }
   }
 
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
@@ skipping 179 matching lines @@
   if (streaminfos_.size() != 1)
     return false;
   return streaminfos_[0].encoder->SupportsNativeHandle();
 }
 
 const char* SimulcastEncoderAdapter::ImplementationName() const {
   return implementation_name_.c_str();
 }
 
 }  // namespace webrtc