remove ashmem from skia

src/utils/android/ashmem.h

-/*
- * Copyright 2008 The Android Open Source Project
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef _CUTILS_ASHMEM_H
-#define _CUTILS_ASHMEM_H
-
-#include <stddef.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-int ashmem_create_region(const char *name, size_t size);
-int ashmem_set_prot_region(int fd, int prot);
-
-/**
- *   @return ASHMEM_NOT_PURGED if the memory was not purged.
- *           ASHMEM_WAS_PURGED if the memory was purged.
- *           -1 on error.
- */
-int ashmem_pin_region(int fd, size_t offset, size_t len);
-int ashmem_unpin_region(int fd, size_t offset, size_t len);
-int ashmem_get_size_region(int fd);
-int ashmem_purge_all_caches(int fd);
-
-#ifdef __cplusplus
-}
-#endif
-
-#ifndef __ASHMEMIOC /* in case someone included <linux/ashmem.h> too */
-
-#define ASHMEM_NAME_LEN     256
-
-#define ASHMEM_NAME_DEF     "dev/ashmem"
-
-/* Return values from ASHMEM_PIN: Was the mapping purged while unpinned? */
-#define ASHMEM_NOT_PURGED   0
-#define ASHMEM_WAS_PURGED   1
-
-/* Return values from ASHMEM_UNPIN: Is the mapping now pinned or unpinned? */
-#define ASHMEM_IS_UNPINNED  0
-#define ASHMEM_IS_PINNED    1
-
-#endif  /* ! __ASHMEMIOC */
-
-#endif  /* _CUTILS_ASHMEM_H */