libvpx: Pull from upstream

source/libvpx/vpx_mem/memory_manager/hmm_grow.c

Index: source/libvpx/vpx_mem/memory_manager/hmm_grow.c
diff --git a/source/libvpx/vpx_mem/memory_manager/hmm_grow.c b/source/libvpx/vpx_mem/memory_manager/hmm_grow.c
deleted file mode 100644
index 0e86373748a09fdbf0067758bc7841a159bda59d..0000000000000000000000000000000000000000
--- a/source/libvpx/vpx_mem/memory_manager/hmm_grow.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- *  Copyright (c) 2010 The WebM 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.
- */
-
-
-/* This code is in the public domain.
-** Version: 1.1  Author: Walt Karas
-*/
-
-#include "hmm_intrnl.h"
-
-void U(grow_chunk)(U(descriptor) *desc, void *end, U(size_bau) n_baus) {
-#undef HEAD_PTR
-#define HEAD_PTR ((head_record *) end)
-
-  end = BAUS_BACKWARD(end, DUMMY_END_BLOCK_BAUS);
-
-#ifdef HMM_AUDIT_FAIL
-
-  if (HEAD_PTR->block_size != 0)
-    /* Chunk does not have valid dummy end block. */
-    HMM_AUDIT_FAIL
-
-#endif
-
-    /* Create a new block that absorbs the old dummy end block. */
-    HEAD_PTR->block_size = n_baus;
-
-  /* Set up the new dummy end block. */
-  {
-    head_record *dummy = (head_record *) BAUS_FORWARD(end, n_baus);
-    dummy->previous_block_size = n_baus;
-    dummy->block_size = 0;
-  }
-
-  /* Simply free the new block, allowing it to coalesce with any
-  ** free block at that was the last block in the chunk prior to
-  ** growth.
-  */
-  U(free)(desc, HEAD_TO_PTR_REC(end));
-
-#undef HEAD_PTR
-}