Policy implementation for encryptfs to ext4 migration strategy

chrome/browser/chromeos/arc/arc_util.h

 // Copyright 2017 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_ARC_ARC_UTIL_H_
 #define CHROME_BROWSER_CHROMEOS_ARC_ARC_UTIL_H_
 
 #include <stdint.h>
 
 #include "base/callback_forward.h"
@@ skipping 94 matching lines @@
 bool AreArcAllOptInPreferencesManagedForProfile(const Profile* profile);
 
 // Checks and updates the preference value whether the underlying filesystem
 // for the profile is compatible with ARC, when necessary. After it's done (or
 // skipped), |callback| is run either synchronously or asynchronously.
 void UpdateArcFileSystemCompatibilityPrefIfNeeded(
     const AccountId& account_id,
     const base::FilePath& profile_path,
     const base::Closure& callback);
 
+// Returns if the migration from ecryptfs to ext4 is allowed. It is true if it
+// is known that the device is consumer owned, or if the device policy is
+// present and has the value |kAllowMigration|. The response is cached the first
+// time the function is used, and the policy update won't change the return
+// value after that.
+bool IsMigrationAllowed();

[hidehiko, 2017/06/09 09:40:39]

nit: could you rename to IsArcMigrationAllowed() for consistency?

[igorcov, 2017/06/09 12:55:11]

Done.

+
+// For testing IsMigrationAllowed, the global flags have to be reset before
+// every test.
+void ResetGlobalDataForTesting();

[hidehiko, 2017/06/09 09:40:39]

nit: maybe ResetArcMigrationAllowedForTesting() ?

[igorcov, 2017/06/09 12:55:11]

Done.

+
 }  // namespace arc
 
 #endif  // CHROME_BROWSER_CHROMEOS_ARC_ARC_UTIL_H_