Start ARC and sign in after Chrome OS login

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";
 
+// Always starts ARC after login screen without Play Store in almost all cases.
+// But there may be some exception that ARC will not run.

[Luis Héctor Chávez, 2017/03/01 22:25:39]

Is there a way to make this a bit more exhaustive? Like kArcAvailability.

[victorhsieh, 2017/03/02 00:28:12]

Done.

+const char kArcAlwaysStart[] = "arc-always-start";
+
 // 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.
 //   Users can enable ARC only when Finch experiment is turned on.
 // - installed-only-kiosk-supported: ARC is installed, but officially supported
 //   only in kiosk mode.
 // - officially-supported: ARC is installed and supported on this device. So
 //   users can enable ARC via settings etc.
 // - officially-supported-with-active-directory: ARC is supported and also
@@ skipping 427 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