Update PartitionAlloc from Chromium at r599712.

BUG=pdfium:1170

Change-Id: I0f8dfb3d517beaa682a9ca7ad4831c5a7a10dc3b
Reviewed-on: https://pdfium-review.googlesource.com/c/44073
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/third_party/base/allocator/partition_allocator/oom_callback.cc b/third_party/base/allocator/partition_allocator/oom_callback.cc
new file mode 100644
index 0000000000..36c6e978a2
--- /dev/null
+++ b/third_party/base/allocator/partition_allocator/oom_callback.cc
@@ -0,0 +1,28 @@
+// Copyright (c) 2018 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 "third_party/base/allocator/partition_allocator/oom_callback.h"
+#include "third_party/base/logging.h"
+
+namespace pdfium {
+namespace base {
+
+namespace {
+PartitionAllocOomCallback g_oom_callback;
+}  // namespace
+
+void SetPartitionAllocOomCallback(PartitionAllocOomCallback callback) {
+  DCHECK(!g_oom_callback);
+  g_oom_callback = callback;
+}
+
+namespace internal {
+void RunPartitionAllocOomCallback() {
+  if (g_oom_callback)
+    g_oom_callback();
+}
+}  // namespace internal
+
+}  // namespace base
+}  // namespace pdfium