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

chrome/browser/chromeos/chromeos_utils.h

Index: chrome/browser/chromeos/chromeos_utils.h
diff --git a/chrome/browser/chromeos/chromeos_utils.h b/chrome/browser/chromeos/chromeos_utils.h
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+++ b/chrome/browser/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 CHROME_BROWSER_CHROMEOS_CHROMEOS_UTILS_H_
+#define CHROME_BROWSER_CHROMEOS_CHROMEOS_UTILS_H_
+
+#include "base/strings/string16.h"
+
+namespace chromeos {
+
+// Returns the name of the Chrome device type (eg. Chromebook, Chromebox).
+base::string16 GetChromeDeviceType();
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_CHROMEOS_UTILS_H_