Wrap deprecated sandbox functions in C++ class.

sandbox/mac/seatbelt.h

Index: sandbox/mac/seatbelt.h
diff --git a/sandbox/mac/seatbelt.h b/sandbox/mac/seatbelt.h
new file mode 100644
index 0000000000000000000000000000000000000000..c5dd386bfe2d4f6a573ceb486a8dc023b8b5b2b1
--- /dev/null
+++ b/sandbox/mac/seatbelt.h
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+// Copyright 2016 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 SANDBOX_MAC_SEATBELT_H_
+#define SANDBOX_MAC_SEATBELT_H_
+
+#include <cstdint>
+
+#include "base/macros.h"
+#include "sandbox/mac/seatbelt_export.h"
+
+namespace sandbox {
+
+// This class exists because OS X deprecated the sandbox functions,
+// and did not supply replacements that are suitable for Chrome.
+// This class wraps the functions in deprecation warning supressions.
+class SEATBELT_EXPORT Seatbelt {
+ public:
+  static int Init(const char* profile, uint64_t flags, char** errorbuf);
+
+  static int InitWithParams(const char* profile,
+                            uint64_t flags,
+                            const char* const parameters[],
+                            char** errorbuf);
+
+  static void FreeError(char* errorbuf);
+
+ private:
+  Seatbelt();
+  DISALLOW_COPY_AND_ASSIGN(Seatbelt);
+};
+
+}  // sandbox
+
+#endif  // SANDBOX_MAC_SEATBELT_H_