Initial addition of blimp crash client code.

blimp/engine/app/blimp_engine_crash_keys.h

+// 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 BLIMP_ENGINE_APP_BLIMP_ENGINE_CRASH_KEYS_H_
+#define BLIMP_ENGINE_APP_BLIMP_ENGINE_CRASH_KEYS_H_
+
+#include <stddef.h>
+
+namespace blimp {
+namespace engine {
+
+// Registers the crash keys needed for the Blimp engine.

[Kevin M, 2016/03/24 20:14:32]

Document the return value

[marcinjb, 2016/03/24 20:27:03]

Done.

+size_t RegisterEngineCrashKeys();
+
+}  // namespace engine
+}  // namespace blimp
+
+#endif  // BLIMP_ENGINE_APP_BLIMP_ENGINE_CRASH_KEYS_H_