Remove PrefServiceSimple, replacing it with PrefService and PrefRegistrySimple.

chrome/browser/chromeos/power/session_length_limiter.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/chromeos/power/session_length_limiter.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 47 matching lines @@
 void SessionLengthLimiterDelegateImpl::StopSession() {
   browser::AttemptUserExit();
 }
 
 }  // namespace
 
 SessionLengthLimiter::Delegate::~Delegate() {
 }
 
 // static
-void SessionLengthLimiter::RegisterPrefs(PrefServiceSimple* local_state) {
+void SessionLengthLimiter::RegisterPrefs(PrefRegistrarSimple* local_state) {
   local_state->RegisterInt64Pref(prefs::kSessionStartTime, 0);
   local_state->RegisterIntegerPref(prefs::kSessionLengthLimit, 0);
 }
 
 SessionLengthLimiter::SessionLengthLimiter(Delegate* delegate,
                                            bool browser_restarted)
     : delegate_(delegate ? delegate : new SessionLengthLimiterDelegateImpl) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   // If this is a user login, set the session start time in local state to the
@@ skipping 77 matching lines @@
       (delegate_->GetCurrentTime() - session_start_time_);
   if (remaining < kZeroTimeDelta)
     remaining = kZeroTimeDelta;
 
   // End the session if the remaining time reaches zero.
   if (remaining == base::TimeDelta())
     delegate_->StopSession();
 }
 
 }  // namespace chromeos