Add Easy Unlock options to chrome://settings behind a flag.

chromeos/chromeos_utils.h

Index: chromeos/chromeos_utils.h
diff --git a/chromeos/chromeos_utils.h b/chromeos/chromeos_utils.h
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+// Copyright 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 CHROMEOS_CHROMEOS_UTILS_H_
+#define CHROMEOS_CHROMEOS_UTILS_H_
+
+#include <string>
+
+#include "chromeos/chromeos_export.h"
+
+namespace chromeos {
+
+// Returns the name of the Chrome device type (eg. Chromebook, Chromebox).
+CHROMEOS_EXPORT std::string GetChromeDeviceType();
+
+}  // namespace chromeos
+
+#endif  // CHROMEOS_CHROMEOS_UTILS_H_