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

webrtc/modules/video_processing/test/video_processing_unittest.cc

 /*
  *  Copyright (c) 2012 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 @@
       size_uv_(half_width_ * ((height_ + 1) / 2)),
       frame_length_(CalcBufferSize(kI420, width_, height_)) {}
 
 void VideoProcessingTest::SetUp() {
   vp_ = VideoProcessing::Create();
   ASSERT_TRUE(vp_ != NULL);
 
   video_frame_.CreateEmptyFrame(width_, height_, width_,
                                 half_width_, half_width_);
   // Clear video frame so DrMemory/Valgrind will allow reads of the buffer.
-  memset(video_frame_.video_frame_buffer()->MutableDataY(), 0,
-         video_frame_.allocated_size(kYPlane));
-  memset(video_frame_.video_frame_buffer()->MutableDataU(), 0,
-         video_frame_.allocated_size(kUPlane));
-  memset(video_frame_.video_frame_buffer()->MutableDataV(), 0,
-         video_frame_.allocated_size(kVPlane));
+  memset(video_frame_.buffer(kYPlane), 0, video_frame_.allocated_size(kYPlane));
+  memset(video_frame_.buffer(kUPlane), 0, video_frame_.allocated_size(kUPlane));
+  memset(video_frame_.buffer(kVPlane), 0, video_frame_.allocated_size(kVPlane));
   const std::string video_file =
       webrtc::test::ResourcePath("foreman_cif", "yuv");
   source_file_ = fopen(video_file.c_str(), "rb");
   ASSERT_TRUE(source_file_ != NULL)
       << "Cannot read source file: " + video_file + "\n";
 }
 
 void VideoProcessingTest::TearDown() {
   if (source_file_ != NULL) {
     ASSERT_EQ(0, fclose(source_file_));
@@ skipping 200 matching lines @@
   std::cout << "Watch " << filename.str() << " and verify that it is okay."
             << std::endl;
   FILE* stand_alone_file = fopen(filename.str().c_str(), "wb");
   if (PrintVideoFrame(processed, stand_alone_file) < 0)
     std::cerr << "Failed to write: " << filename.str() << std::endl;
   if (stand_alone_file)
     fclose(stand_alone_file);
 }
 
 }  // namespace webrtc