Merge "Remove unnecessary border extension when frame size change."

vp9/decoder/vp9_decodeframe.c

diff --git a/vp9/decoder/vp9_decodeframe.c b/vp9/decoder/vp9_decodeframe.c
index 1d0d8f6..1faaf8f 100644
--- a/vp9/decoder/vp9_decodeframe.c
+++ b/vp9/decoder/vp9_decodeframe.c
@@ -1432,8 +1432,6 @@
                                           ref_buf->buf->y_crop_height,
                                           cm->width, cm->height);
 #endif
-        if (vp9_is_scaled(&ref_buf->sf))
-          vp9_extend_frame_borders(ref_buf->buf);
       }
     }
   }