Introduce CloudPolicyClient

chrome/browser/policy/policy_constants.h

+// Copyright (c) 2012 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_POLICY_POLICY_CONSTANTS_H_
+#define CHROME_BROWSER_POLICY_POLICY_CONSTANTS_H_
+#pragma once
+
+namespace policy {
+
+// The scope of a policy flags whether it is meant to be applied to the current
+// user or to the machine.
+enum PolicyScope {
+  // USER policies apply to sessions of the current user.
+  POLICY_SCOPE_USER,
+
+  // MACHINE policies apply to any users of the current machine.
+  POLICY_SCOPE_MACHINE,
+};
+
+// The level of a policy determines its enforceability and whether users can
+// override it or not. The values are listed in increasing order of priority.
+enum PolicyLevel {
+  // RECOMMENDED policies can be overridden by users. They are meant as a
+  // default value configured by admins, that users can customize.
+  POLICY_LEVEL_RECOMMENDED,
+
+  // MANDATORY policies must be enforced and users can't circumvent them.
+  POLICY_LEVEL_MANDATORY,
+};
+
+}  // namespace policy
+
+#endif  // CHROME_BROWSER_POLICY_POLICY_CONSTANTS_H_