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 98 matching lines @@
 bool IsActiveDirectoryUserForProfile(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 the
+// flag --need-arc-migration-policy-check is not set or if 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 a policy update won't change the return value after that until the
+// next Chrome restart.
+bool IsArcMigrationAllowed();
+
+// For testing IsArcMigrationAllowed, the global flags have to be reset before
+// every test.
+void ResetArcMigrationAllowedForTesting();
+
 }  // namespace arc
 
 #endif  // CHROME_BROWSER_CHROMEOS_ARC_ARC_UTIL_H_