Policy implementation for encryptfs to ext4 migration strategy

components/arc/arc_util.h

Index: components/arc/arc_util.h
diff --git a/components/arc/arc_util.h b/components/arc/arc_util.h
index d653b5ac43d054694f3efc53aa20fa11a76e8750..1341ae0e5f5d5fd5daacf6ac35915d955b43fde4 100644
--- a/components/arc/arc_util.h
+++ b/components/arc/arc_util.h
@@ -23,6 +23,19 @@ class User;
 
 namespace arc {
 
+// The state of device policy DeviceEcryptfsMigrationStrategy, that points if
+// the migration to ext4 encryption is allowed. The ext4 encryption is required
+// for ARC(N+).
+// TODO(igorcov): Remove this after migration. crbug.com/725493
+enum ArcAvailabilityPolicyStatus {

[hidehiko, 2017/06/01 16:07:16]

enum class, please.

+  // The policy value is unknown.
+  UNKNOWN = 0,
+  // ARC is disabled.
+  DISABLED = 1,
+  // ARC is available.
+  AVAILABLE = 2,
+};
+
 // Returns true if ARC is installed and the current device is officially
 // supported to run ARC.
 // Note that, to run ARC practically, it is necessary to meet more conditions,
@@ -86,6 +99,16 @@ bool IsArcAppWindow(aura::Window* window);
 // restricted CPU resources.
 void SetArcCpuRestriction(bool do_restrict);
 
+// Getter for |arc_availability_policy_status|.
+ArcAvailabilityPolicyStatus GetArcAvailabilityPolicyStatus();
+
+// Set the flag that it's consumer owned device.
+void SetHasDeviceOwner();
+
+// For testing IsMigrationAllowed, the global flags have to be reset before
+// every test.
+void ResetGlobalDataForTesting();
+
 }  // namespace arc
 
 #endif  // COMPONENTS_ARC_ARC_UTIL_H_