Remove //third_party/brotli and //third_party/ots.

third_party/brotli/dec/safe_malloc.c

-/* Copyright 2013 Google Inc. All Rights Reserved.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-   http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-
-   Size-checked memory allocation.
-*/
-
-#include <stdlib.h>
-#include "./safe_malloc.h"
-
-#if defined(__cplusplus) || defined(c_plusplus)
-extern "C" {
-#endif
-
-/* Returns 0 in case of overflow of nmemb * size. */
-static int CheckSizeArgumentsOverflow(uint64_t nmemb, size_t size) {
-  const uint64_t total_size = nmemb * size;
-  if (nmemb == 0) return 1;
-  if ((uint64_t)size > BROTLI_MAX_ALLOCABLE_MEMORY / nmemb) return 0;
-  if (total_size != (size_t)total_size) return 0;
-  return 1;
-}
-
-void* BrotliSafeMalloc(uint64_t nmemb, size_t size) {
-  if (!CheckSizeArgumentsOverflow(nmemb, size)) return NULL;
-  assert(nmemb * size > 0);
-  return malloc((size_t)(nmemb * size));
-}
-
-#if defined(__cplusplus) || defined(c_plusplus)
-}    /* extern "C" */
-#endif