Make possible to check memory allocations inside chromium

base/process/memory.cc

+// Copyright (c) 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/process/memory.h"
+
+namespace base {
+
+// Defined in memory_mac.mm for Mac.
+#if !defined(OS_MACOSX)
+
+bool UncheckedCalloc(size_t num_items, size_t size, void** result) {
+  const size_t alloc_size = num_items * size;
+
+  // Overflow check
+  if (size && ((alloc_size / size) != num_items)) {
+    *result = NULL;
+    return false;
+  }
+
+  if (!UncheckedMalloc(alloc_size, result))
+    return false;
+
+  memset(*result, 0, alloc_size);
+  return true;
+}
+
+#endif
+
+}