arc: add enterprise_reporting.mojom interface.

components/arc/common/enterprise_reporting.mojom

+// Copyright 2016 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.
+//
+// Next MinVersion: 1
+module arc.mojom;
+
+// Enumerates the states that management can be in for a user.
+[Extensible]
+enum ManagementState {
+  // The user is not managed.
+  UNMANAGED = 0,
+
+  // The user is managed and the management infrastructure is working correctly.
+  MANAGED_OK = 1,
+
+  // The user is managed but managing app lost its Device Owner status and
+  // cannot set policies.
+  MANAGED_DO_LOST = 2
+};
+
+// Next method ID: 1
+interface EnterpriseReportingHost {
+  // Reports the management status for the user.
+  ReportManagementState@0(ManagementState state);
+};
+
+// Next method ID: 1
+interface EnterpriseReportingInstance {
+  // Establishes full-duplex communication with the host.
+  Init@0(EnterpriseReportingHost host_ptr);
+};