chromeos: Refactor ash SystemTrayDelegate enterprise methods to mojo

ash/public/interfaces/system_tray.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.
 
 module ash.mojom;
 
 import "ash/public/interfaces/update.mojom";
 import "mojo/common/string16.mojom";
 
 // Allows clients (e.g. Chrome browser) to control the ash system tray menu.
 interface SystemTray {
   // Sets the client interface.
   SetClient(SystemTrayClient client);
 
   // Sets the enabled state of the tray on the primary display. If not |enabled|
   // any open menu will be closed.
   SetPrimaryTrayEnabled(bool enabled);
 
   // Sets the visibility of the tray on the primary display.
   SetPrimaryTrayVisible(bool visible);
 
   // Sets the clock to use 24 hour time formatting if |use_24_hour| is true.
   // Otherwise sets 12 hour time formatting.
   SetUse24HourClock(bool use_24_hour);
 
+  // Sets enterprise management information. If |enterprise_domain| is not empty
+  // or |active_directory_managed| is true then an item will be shown in the
+  // system tray menu stating that the device is managed.
+  SetEnterpriseDomain(string enterprise_domain, bool active_directory_managed);

[Tom Sepez, 2017/04/26 19:29:53]

This just updates the display, right?  No change of status actually occurs?

[James Cook, 2017/04/26 21:04:15]

Correct. I updated the comment to try to clarify.

+
   // Shows an icon in the system tray indicating that a software update is
   // available. Once shown the icon persists until reboot. |severity| and
   // |factory_reset_required| are used to set the icon, color, and tooltip.
   ShowUpdateIcon(UpdateSeverity severity,
                  bool factory_reset_required,
                  UpdateType update_type);
 };
 
 // Allows ash system tray to control a client (e.g. Chrome browser). Requests
 // often involve preferences or web UI that is not available to ash.
@@ skipping 42 matching lines @@
 
   // Shows the help center article for the stylus tool palette.
   ShowPaletteHelp();
 
   // Shows the settings related to the stylus tool palette.
   ShowPaletteSettings();
 
   // Shows information about public account mode.
   ShowPublicAccountInfo();
 
-  // TODO(crbug.com/647412): ShowEnterpriseInfo();
+  // Shows information about enterprise enrolled devices.
+  ShowEnterpriseInfo();
 
   // Shows UI to configure or activate the network specified by |network_id|,
   // which may include showing payment or captive portal UI when appropriate.
   ShowNetworkConfigure(string network_id);
 
   // Shows UI to create a new network connection. The |type| is a Shill/Flimflam
   // network type from third_party/cros_system_api/dbus/shill/dbus-constants.h
   // ('wifi', 'cellular', etc.).
   ShowNetworkCreate(string type);
 
@@ skipping 10 matching lines @@
   // Shows UI for changing proxy settings.
   ShowProxySettings();
 
   // Attempts to sign out the user.
   // TODO(jamescook): Migrate to a user or login service. crbug.com/665582
   SignOut();
 
   // Attempts to restart the system for update.
   RequestRestartForUpdate();
 };