Import Chromium base/numerics to resolve integer overflow.

We'll use this for integer overflows going forward.

BUG=382606
R=bo_xu@foxitsoftware.com, jschuh@chromium.org

Review URL: https://codereview.chromium.org/341533007

1 files changed, 18 insertions, 0 deletions

diff --git a/third_party/logging.h b/third_party/logging.h
new file mode 100644
index 0000000000..3629e84d4a
--- /dev/null
+++ b/third_party/logging.h
@@ -0,0 +1,18 @@
+// 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.
+
+#ifndef BASE_LOGGING_H_
+#define BASE_LOGGING_H_
+
+#include <stdlib.h>
+
+#define CHECK(condition)                                                \
+  if (!(condition)) {                                                   \
+    abort();                                                            \
+    *(reinterpret_cast<volatile char*>(NULL) + 42) = 0x42;              \
+  }
+
+#define NOTREACHED() abort()
+
+#endif  // BASE_LOGGING_H_