Delete webrtc::VideoFrame methods buffer and stride.

webrtc/modules/video_processing/deflickering.cc

Index: webrtc/modules/video_processing/deflickering.cc
diff --git a/webrtc/modules/video_processing/deflickering.cc b/webrtc/modules/video_processing/deflickering.cc
index 0e936ce9b77a5a203a1a5ae47e4c4362d1e31019..89227f783d864a9777b5f16ca91ebad692ee9f64 100644
--- a/webrtc/modules/video_processing/deflickering.cc
+++ b/webrtc/modules/video_processing/deflickering.cc
@@ -130,8 +130,8 @@ int32_t VPMDeflickering::ProcessFrame(VideoFrame* frame,
   uint8_t* y_sorted = new uint8_t[y_sub_size];
   uint32_t sort_row_idx = 0;
   for (int i = 0; i < height; i += kDownsamplingFactor) {
-    memcpy(y_sorted + sort_row_idx * width, frame->buffer(kYPlane) + i * width,
-           width);
+    memcpy(y_sorted + sort_row_idx * width,
+           frame->video_frame_buffer()->DataY() + i * width, width);
     sort_row_idx++;
   }
 
@@ -227,7 +227,7 @@ int32_t VPMDeflickering::ProcessFrame(VideoFrame* frame,
   }
 
   // Map to the output frame.
-  uint8_t* buffer = frame->buffer(kYPlane);
+  uint8_t* buffer = frame->video_frame_buffer()->MutableDataY();
   for (uint32_t i = 0; i < y_size; i++) {
     buffer[i] = map_uw8[buffer[i]];
   }