Delete method webrtc::VideoFrame::allocated_size and enum PlaneType.

webrtc/common_video/include/video_frame_buffer.h

Index: webrtc/common_video/include/video_frame_buffer.h
diff --git a/webrtc/common_video/include/video_frame_buffer.h b/webrtc/common_video/include/video_frame_buffer.h
index ae7855fe86d5aa3dfcc952617eed0b89f802c376..fb867bc4282ccad87d079a63329347fb676fe0f9 100644
--- a/webrtc/common_video/include/video_frame_buffer.h
+++ b/webrtc/common_video/include/video_frame_buffer.h
@@ -23,13 +23,6 @@
 
 namespace webrtc {
 
-enum PlaneType {
-  kYPlane = 0,
-  kUPlane = 1,
-  kVPlane = 2,
-  kNumOfPlanes = 3,
-};
-
 // Interface of a simple frame buffer containing pixel data. This interface does
 // not contain any frame metadata such as rotation, timestamp, pixel_width, etc.
 class VideoFrameBuffer : public rtc::RefCountInterface {