[protector] Refactoring of --no-protector code.

chrome/browser/protector/base_prefs_change.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/prefs/pref_set_observer.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/protector/base_prefs_change.h"
+#include "chrome/browser/protector/protected_prefs_watcher.h"
 #include "chrome/browser/protector/protector_service.h"
 #include "chrome/browser/protector/protector_service_factory.h"
+#include "chrome/browser/protector/protector_utils.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/notification_service.h"
 
 namespace protector {
 
 BasePrefsChange::BasePrefsChange() {
 }
 
 BasePrefsChange::~BasePrefsChange() {
 }
 
 bool BasePrefsChange::Init(Profile* profile) {
   if (!BaseSettingChange::Init(profile))
     return false;
   pref_observer_.reset(new PrefSetObserver(profile->GetPrefs(), this));
   return true;
 }
 
+void BasePrefsChange::InitWhenDisabled(Profile* profile) {
+  // Forcibly set backup to match the actual settings so that no changes are
+  // detected on future runs.
+  ProtectorServiceFactory::GetForProfile(profile)->GetPrefsWatcher()->
+      ForceUpdateBackup();
+}
+
 void BasePrefsChange::DismissOnPrefChange(const std::string& pref_name) {
   DCHECK(!pref_observer_->IsObserved(pref_name));
   pref_observer_->AddPref(pref_name);
 }
 
 void BasePrefsChange::IgnorePrefChanges() {
   pref_observer_.reset();
 }
 
 void BasePrefsChange::Observe(int type,
                              const content::NotificationSource& source,
                              const content::NotificationDetails& details) {
   DCHECK(type == chrome::NOTIFICATION_PREF_CHANGED);
   const std::string* pref_name = content::Details<std::string>(details).ptr();
   DCHECK(pref_name && pref_observer_->IsObserved(*pref_name));
   // Will delete this instance.
   ProtectorServiceFactory::GetForProfile(profile())->DismissChange(this);
 }
 
 }  // namespace protector