Disable ACTION_BOOT_COMPLETED event for 3rd party apps.

components/arc/arc_features.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.
+
+// This file defines the public base::FeatureList features for ARC.
+
+#ifndef CHROMEOS_ARC_FEATURES_H_
+#define CHROMEOS_ARC_FEATURES_H_
+
+#include "base/feature_list.h"
+
+namespace features {
+
+#if defined(OS_CHROMEOS)
+extern const base::Feature kDisableArcBootCompletedBroadcast;
+#endif // defined(OS_CHROMEOS)
+
+}  // namespace features
+
+#endif  // CHROMEOS_ARC_FEATURES_H_