Support new --arc-availability flag.

chromeos/chromeos_switches.cc

 // Copyright (c) 2012 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.
 
 #include "chromeos/chromeos_switches.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
@@ skipping 45 matching lines @@
 const char kAllowRAInDevMode[] = "allow-ra-in-dev-mode";
 
 // Specifies whether an app launched in kiosk mode was auto launched with zero
 // delay. Used in order to properly restore auto-launched state during session
 // restore flow.
 const char kAppAutoLaunched[] = "app-auto-launched";
 
 // Path for app's OEM manifest file.
 const char kAppOemManifestFile[] = "app-mode-oem-manifest";
 
+// Signals ARC support status on this device. This can take one of the
+// following three values.
+// - none: ARC is not installed on this device. (default)
+// - installed: ARC is installed on this device, but not officially supported.

[Yusuke Sato, 2017/02/02 18:14:06]

.. The user can enable ARC only when it is enabled via base::Feature (aka
Finch.)

[hidehiko, 2017/02/03 15:37:42]

Done. I'd like to avoid "enable" for Finch so reworded. WDYT?

+// - official-support: ARC is installed and supported on this device. So users
+//   can enable ARC via settings etc.
+const char kArcAvailability[] = "arc-availability";
+
+// DEPRECATED: Please use --arc-availability=installed.
 // Signals the availability of the ARC instance on this device.
 const char kArcAvailable[] = "arc-available";
 
 // Screenshot testing: specifies the directoru where artifacts will be stored.
 const char kArtifactsDir[] = "artifacts-dir";
 
 // When wallpaper boot animation is not disabled this switch
 // is used to override OOBE/sign in WebUI init type.
 // Possible values: parallel|postpone. Default: parallel.
 const char kAshWebUIInit[] = "ash-webui-init";
@@ skipping 133 matching lines @@
 
 // EAFE URL to use for Easy bootstrapping.
 const char kEafeUrl[] = "eafe-url";
 
 // Enables AD functionality.
 const char kEnableAd[] = "enable-ad";
 
 // Enables the Android Wallpapers App as the default app on Chrome OS.
 const char kEnableAndroidWallpapersApp[] = "enable-android-wallpapers-app";
 
+// DEPRECATED. Please use --arc-availability=official-support.
 // Enables starting the ARC instance upon session start.
 const char kEnableArc[] = "enable-arc";
 
 // Enables ARC OptIn flow in OOBE.
 const char kEnableArcOOBEOptIn[] = "enable-arc-oobe-optin";
 
 // Enables consume kiosk mode.
 const char kEnableConsumerKiosk[] = "enable-consumer-kiosk";
 
 // Enables Data Saver prompt on cellular networks.
@@ skipping 252 matching lines @@
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   if (!command_line->HasSwitch(kTestCrosGaiaIdMigration))
     return false;
 
   return command_line->GetSwitchValueASCII(kTestCrosGaiaIdMigration) ==
          kTestCrosGaiaIdMigrationStarted;
 }
 
 }  // namespace switches
 }  // namespace chromeos