Delete webrtc::VideoFrame methods buffer and stride.

webrtc/video_frame.h

Index: webrtc/video_frame.h
diff --git a/webrtc/video_frame.h b/webrtc/video_frame.h
index b5e13f039b0cd6c7f7f2920cab126124c39039a9..a04c580458dba508267c070eba663aca0a578b64 100644
--- a/webrtc/video_frame.h
+++ b/webrtc/video_frame.h
@@ -68,17 +68,9 @@ class VideoFrame {
   // Release frame buffer and reset time stamps.
   void Reset();
 
-  // Get pointer to buffer per plane.
-  uint8_t* buffer(PlaneType type);
-  // Overloading with const.
-  const uint8_t* buffer(PlaneType type) const;
-
   // Get allocated size per plane.
   int allocated_size(PlaneType type) const;
 
-  // Get allocated stride per plane.
-  int stride(PlaneType type) const;
-
   // Get frame width.
   int width() const;
 
@@ -127,7 +119,11 @@ class VideoFrame {
 
   // Return the underlying buffer. Never nullptr for a properly
   // initialized VideoFrame.
-  rtc::scoped_refptr<webrtc::VideoFrameBuffer> video_frame_buffer() const;
+  // Creating a new reference breaks the (admittedly brittle)
+  // HasOneRef and IsMutable logic. So return a const ref to our
+  // reference.
+  const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& video_frame_buffer()
+      const;
 
   // Set the underlying buffer.
   void set_video_frame_buffer(