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

chrome/browser/profiles/profile_io_data.cc

 // Copyright (c) 2012 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/profiles/profile_io_data.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 401 matching lines @@
            profile->GetProxyConfigTracker()));
 #if defined(ENABLE_SUPERVISED_USERS)
   SupervisedUserService* supervised_user_service =
       SupervisedUserServiceFactory::GetForProfile(profile);
   params->supervised_user_url_filter =
       supervised_user_service->GetURLFilterForIOThread();
 #endif
 #if defined(OS_CHROMEOS)
   user_manager::UserManager* user_manager = user_manager::UserManager::Get();
   if (user_manager) {
-    user_manager::User* user =
+    const user_manager::User* user =
         chromeos::ProfileHelper::Get()->GetUserByProfile(profile);
     // No need to initialize NSS for users with empty username hash:
     // Getters for a user's NSS slots always return NULL slot if the user's
     // username hash is empty, even when the NSS is not initialized for the
     // user.
     if (user && !user->username_hash().empty()) {
       params->username_hash = user->username_hash();
       DCHECK(!params->username_hash.empty());
       BrowserThread::PostTask(BrowserThread::IO,
                               FROM_HERE,
@@ skipping 913 matching lines @@
 void ProfileIOData::SetCookieSettingsForTesting(
     CookieSettings* cookie_settings) {
   DCHECK(!cookie_settings_.get());
   cookie_settings_ = cookie_settings;
 }
 
 void ProfileIOData::set_signin_names_for_testing(
     SigninNamesOnIOThread* signin_names) {
   signin_names_.reset(signin_names);
 }