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

chrome/browser/chromeos/policy/user_cloud_policy_manager_factory_chromeos.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/chromeos/policy/user_cloud_policy_manager_factory_chromeos.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
@@ skipping 107 matching lines @@
         scoped_refptr<base::SequencedTaskRunner> background_task_runner) {
   const base::CommandLine* command_line =
       base::CommandLine::ForCurrentProcess();
   // Don't initialize cloud policy for the signin profile.
   if (chromeos::ProfileHelper::IsSigninProfile(profile))
     return scoped_ptr<UserCloudPolicyManagerChromeOS>();
 
   // |user| should never be NULL except for the signin profile. This object is
   // created as part of the Profile creation, which happens right after
   // sign-in. The just-signed-in User is the active user during that time.
-  user_manager::User* user =
+  const user_manager::User* user =
       chromeos::ProfileHelper::Get()->GetUserByProfile(profile);
   CHECK(user);
 
   // User policy exists for enterprise accounts only:
   // - For regular enterprise users (those who have a GAIA account), a
   //   |UserCloudPolicyManagerChromeOS| is created here.
   // - For device-local accounts, policy is provided by
   //   |DeviceLocalAccountPolicyService|.
   // All other user types do not have user policy.
   const std::string& username = user->email();
@@ skipping 112 matching lines @@
 
 bool UserCloudPolicyManagerFactoryChromeOS::HasTestingFactory(
     content::BrowserContext* context) {
   return false;
 }
 
 void UserCloudPolicyManagerFactoryChromeOS::CreateServiceNow(
     content::BrowserContext* context) {}
 
 }  // namespace policy