Add ManagementMode enum and GetManagementMode().

chrome/browser/chromeos/policy/policy_util.h

+// 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_POLICY_POLICY_UTIL_H_
+#define CHROME_BROWSER_CHROMEOS_POLICY_POLICY_UTIL_H_
+
+#include "base/macros.h"
+
+namespace enterprise_management {
+class PolicyData;
+}
+
+namespace policy {
+
+class PolicyUtil {

[Mattias Nissler (ping if slow), 2014/11/26 13:52:42]

We should just make helper function outside a class for this (unless I've missed
a style discussion on the mailing list that established a dummy class is the
only true way now).

[davidyu, 2014/11/27 04:00:35]

Done.

+ public:
+  // Returns true if the device is consumer-managed, enterprise-managed, or
+  // local owned, respectively. Only one, and exactly one of these will return
+  // true.
+  static bool IsConsumerManaged(

[Mattias Nissler (ping if slow), 2014/11/26 13:52:42]

Can we make an enum and have a single GetManagementMode() function instead? If
we do so, all the code should probably also move to
cloud_policy_constants.{h,cc} as that contains similar functionality.

[davidyu, 2014/11/27 04:00:34]

Done.

+      const enterprise_management::PolicyData& policy_data);
+  static bool IsEnterpriseManaged(
+      const enterprise_management::PolicyData& policy_data);
+  static bool IsLocalOwned(
+      const enterprise_management::PolicyData& policy_data);
+
+ private:
+  DISALLOW_IMPLICIT_CONSTRUCTORS(PolicyUtil);
+};
+
+}  // namespace policy
+
+#endif  // CHROME_BROWSER_CHROMEOS_POLICY_POLICY_UTIL_H_