[Cleanup] Const-correct the profile() method for the EasyUnlockService

chrome/browser/chromeos/policy/policy_cert_service_factory.cc

 // Copyright 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/chromeos/policy/policy_cert_service_factory.h"
 
 #include "base/memory/singleton.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
@@ skipping 77 matching lines @@
   DependsOn(UserNetworkConfigurationUpdaterFactory::GetInstance());
 }
 
 PolicyCertServiceFactory::~PolicyCertServiceFactory() {}
 
 KeyedService* PolicyCertServiceFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
   Profile* profile = static_cast<Profile*>(context);
 
   user_manager::UserManager* user_manager = user_manager::UserManager::Get();
-  user_manager::User* user = chromeos::ProfileHelper::Get()->GetUserByProfile(
-      profile->GetOriginalProfile());
+  const user_manager::User* user =
+      chromeos::ProfileHelper::Get()->GetUserByProfile(
+          profile->GetOriginalProfile());
   if (!user)
     return NULL;
 
   // Backwards compatibility: profiles that used policy-pushed certificates used
   // to have this condition marked in their prefs. This signal has moved to
   // local_state though, to support checking it before the profile is loaded.
   // Check the profile here and update the local_state, if appropriate.
   // TODO(joaodasilva): remove this, eventually.
   PrefService* prefs = profile->GetOriginalProfile()->GetPrefs();
   if (prefs->GetBoolean(prefs::kUsedPolicyCertificatesOnce)) {
@@ skipping 33 matching lines @@
       prefs::kUsedPolicyCertificatesOnce,
       false,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 }
 
 bool PolicyCertServiceFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }
 
 }  // namespace policy