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

chrome/browser/profiles/off_the_record_profile_impl.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/off_the_record_profile_impl.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
@@ skipping 207 matching lines @@
   if (!profile_->GetZoomLevelPrefs())
     return;
 
   // Also track changes to the parent profile's default zoom level.
   parent_default_zoom_level_subscription_ =
       profile_->GetZoomLevelPrefs()->RegisterDefaultZoomLevelCallback(
           base::Bind(&OffTheRecordProfileImpl::UpdateDefaultZoomLevel,
                      base::Unretained(this)));
 }
 
-std::string OffTheRecordProfileImpl::GetProfileUserName() {
+std::string OffTheRecordProfileImpl::GetProfileUserName() const {
   // Incognito profile should not return the username.
   return std::string();
 }
 
 Profile::ProfileType OffTheRecordProfileImpl::GetProfileType() const {
 #if !defined(OS_CHROMEOS)
   return profile_->IsGuestSession() ? GUEST_PROFILE : INCOGNITO_PROFILE;
 #else
   return INCOGNITO_PROFILE;
 #endif
@@ skipping 52 matching lines @@
 }
 
 bool OffTheRecordProfileImpl::IsLegacySupervised() {
   return GetOriginalProfile()->IsLegacySupervised();
 }
 
 PrefService* OffTheRecordProfileImpl::GetPrefs() {
   return prefs_;
 }
 
+const PrefService* OffTheRecordProfileImpl::GetPrefs() const {
+  return prefs_;
+}
+
 PrefService* OffTheRecordProfileImpl::GetOffTheRecordPrefs() {
   return prefs_;
 }
 
 DownloadManagerDelegate* OffTheRecordProfileImpl::GetDownloadManagerDelegate() {
   return DownloadServiceFactory::GetForBrowserContext(this)->
       GetDownloadManagerDelegate();
 }
 
 net::URLRequestContextGetter* OffTheRecordProfileImpl::GetRequestContext() {
@@ skipping 252 matching lines @@
 PrefProxyConfigTracker* OffTheRecordProfileImpl::CreateProxyConfigTracker() {
 #if defined(OS_CHROMEOS)
   if (chromeos::ProfileHelper::IsSigninProfile(this)) {
     return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfLocalState(
         g_browser_process->local_state());
   }
 #endif  // defined(OS_CHROMEOS)
   return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfProfile(
       GetPrefs(), g_browser_process->local_state());
 }