Introduce profile for lock screen apps

chrome/browser/chromeos/ownership/owner_settings_service_chromeos_factory.cc

 // Copyright 2014 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/ownership/owner_settings_service_chromeos_factory.h"
 
 #include "base/path_service.h"
 #include "chrome/browser/chromeos/ownership/owner_settings_service_chromeos.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/chromeos/settings/device_settings_service.h"
@@ skipping 60 matching lines @@
 
 void OwnerSettingsServiceChromeOSFactory::SetOwnerKeyUtilForTesting(
     const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util) {
   owner_key_util_ = owner_key_util;
 }
 
 // static
 KeyedService* OwnerSettingsServiceChromeOSFactory::BuildInstanceFor(
     content::BrowserContext* browser_context) {
   Profile* profile = static_cast<Profile*>(browser_context);
-  if (profile->IsGuestSession() || ProfileHelper::IsSigninProfile(profile))
-    return NULL;
+  if (profile->IsGuestSession() || ProfileHelper::IsSigninProfile(profile) ||
+      ProfileHelper::IsLockScreenAppProfile(profile)) {
+    return nullptr;
+  }
   return new OwnerSettingsServiceChromeOS(
       GetDeviceSettingsService(),
       profile,
       GetInstance()->GetOwnerKeyUtil());
 }
 
 bool OwnerSettingsServiceChromeOSFactory::ServiceIsCreatedWithBrowserContext()
     const {
   return true;
 }
 
 KeyedService* OwnerSettingsServiceChromeOSFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
   return BuildInstanceFor(context);
 }
 
 }  // namespace chromeos