Introduce profile for lock screen apps

chrome/browser/policy/profile_policy_connector.cc

 // Copyright (c) 2013 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/policy/profile_policy_connector.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 80 matching lines @@
         connector->GetDeviceActiveDirectoryPolicyManager());
   }
 #endif
 
   if (configuration_policy_provider)
     policy_providers_.push_back(configuration_policy_provider);
 
 #if defined(OS_CHROMEOS)
   if (!user) {
     DCHECK(schema_registry);
-    // This case occurs for the signin profile.
+    // This case occurs for the signin and the lock screen app profiles.
     special_user_policy_provider_.reset(
         new LoginProfilePolicyProvider(connector->GetPolicyService()));
   } else {
-    // |user| should never be nullptr except for the signin profile.
+    // |user| should never be nullptr except for the signin and the lock screen
+    // app profile.
     is_primary_user_ =
         user == user_manager::UserManager::Get()->GetPrimaryUser();
     // Note that |DeviceLocalAccountPolicyProvider::Create| returns nullptr when
     // the user supplied is not a device-local account user.
     special_user_policy_provider_ = DeviceLocalAccountPolicyProvider::Create(
         user->GetAccountId().GetUserEmail(),
         connector->GetDeviceLocalAccountPolicyService(), force_immediate_load);
   }
   if (special_user_policy_provider_) {
     special_user_policy_provider_->Init(schema_registry);
@@ skipping 56 matching lines @@
   const ConfigurationPolicyProvider* const provider =
       DeterminePolicyProviderForPolicy(policy_key);
   return provider == configuration_policy_provider_;
 }
 
 const CloudPolicyStore* ProfilePolicyConnector::GetActualPolicyStore() const {
   if (policy_store_)
     return policy_store_;
 #if defined(OS_CHROMEOS)
   if (special_user_policy_provider_) {
-    // |special_user_policy_provider_| is non-null for device-local accounts and
-    // for the login profile.
+    // |special_user_policy_provider_| is non-null for device-local accounts,
+    // for the login profile, and the lock screen app profile.
     const DeviceCloudPolicyManagerChromeOS* const device_cloud_policy_manager =
         g_browser_process->platform_part()
             ->browser_policy_connector_chromeos()
             ->GetDeviceCloudPolicyManager();
     // The device_cloud_policy_manager can be a nullptr in unit tests.
     if (device_cloud_policy_manager)
       return device_cloud_policy_manager->core()->store();
   }
 #endif
   return nullptr;
 }
 
 const ConfigurationPolicyProvider*
 ProfilePolicyConnector::DeterminePolicyProviderForPolicy(
     const char* policy_key) const {
   const PolicyNamespace chrome_ns(POLICY_DOMAIN_CHROME, "");
   for (const ConfigurationPolicyProvider* provider : policy_providers_) {
     if (provider->policies().Get(chrome_ns).Get(policy_key))
       return provider;
   }
   return nullptr;
 }
 
 }  // namespace policy