arc: Add the --arc-available switch

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 40 matching lines @@
 
 // Allows remote attestation (RA) in dev mode for testing purpose. Usually RA
 // is disabled in dev mode because it will always fail. However, there are cases
 // in testing where we do want to go through the permission flow even in dev
 // mode. This can be enabled by this flag.
 const char kAllowRAInDevMode[] = "allow-ra-in-dev-mode";
 
 // Path for app's OEM manifest file.
 const char kAppOemManifestFile[] = "app-mode-oem-manifest";
 
+// 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";
 
 // Default large wallpaper to use for kids accounts (as path to trusted,
 // non-user-writable JPEG file).
@@ skipping 394 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