Add ARC++ kiosk menu items and ability to start kiosk session.

chrome/browser/chromeos/arc/arc_auth_service.cc

 // Copyright 2015 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 "chrome/browser/chromeos/arc/arc_auth_service.h"
 
 #include <utility>
 
 #include "ash/common/shelf/shelf_delegate.h"
 #include "ash/common/wm_shell.h"
@@ skipping 476 matching lines @@
   }
 
   if (result == ProvisioningResult::SUCCESS) {
     if (support_host_)
       support_host_->Close();
 
     if (profile_->GetPrefs()->GetBoolean(prefs::kArcSignedIn))
       return;
 
     profile_->GetPrefs()->SetBoolean(prefs::kArcSignedIn, true);
-    if (!IsOptInVerificationDisabled()) {
+    // Don't show Play Store app for ARC Kiosk because the only one UI in kiosk
+    // mode must be the kiosk app and device is not needed for opt-in.
+    if (!IsOptInVerificationDisabled() && !IsArcKioskMode()) {
       playstore_launcher_.reset(
           new ArcAppLauncher(profile_, kPlayStoreAppId, true));
     }
 
     for (auto& observer : observer_list_)
       observer.OnInitialStart();
     return;
   }
 
   ArcSupportHost::Error error;
@@ skipping 566 matching lines @@
       return os << "ACTIVE";
   }
 
   // Some compiler reports an error even if all values of an enum-class are
   // covered indivisually in a switch statement.
   NOTREACHED();
   return os;
 }
 
 }  // namespace arc