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 219 matching lines @@
 // Enables the Android Wallpapers App as the default app on Chrome OS.
 const char kEnableAndroidWallpapersApp[] = "enable-android-wallpapers-app";
 
 // DEPRECATED. Please use --arc-availability=officially-supported.
 // 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 ARC for all users excluding Play.

[hidehiko, 2017/02/23 10:29:17]

This sounds confusing, because this is still only for Primary user.
Then, maybe
Runs ARC for all primary users regardless of whether they have opted-in to use
Google Play Store or not.

[victorhsieh, 2017/02/24 00:45:00]

Re-write the comments.  Hope it's less confusing.

+const char kEnableArcPersistently[] = "enable-arc-persistently";
+
 // Enables consume kiosk mode.
 const char kEnableConsumerKiosk[] = "enable-consumer-kiosk";
 
 // Enables Data Saver prompt on cellular networks.
 const char kEnableDataSaverPrompt[] = "enable-datasaver-prompt";
 
 // Shows additional checkboxes in Settings to enable Chrome OS accessibility
 // features that haven't launched yet.
 const char kEnableExperimentalAccessibilityFeatures[] =
     "enable-experimental-accessibility-features";
@@ skipping 250 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