Cleanup: Remove unneeded includes of notification_service.h....

chrome/browser/ui/options/options_page_base.cc

 // Copyright (c) 2010 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/ui/options/options_page_base.h"
 
 #include "chrome/browser/metrics/user_metrics.h"
 #include "chrome/browser/prefs/pref_service.h"
-#include "chrome/common/notification_service.h"
+#include "chrome/common/notification_details.h"
+#include "chrome/common/notification_source.h"
+#include "chrome/common/notification_type.h"
 
 ///////////////////////////////////////////////////////////////////////////////
 // OptionsPageBase
 
 OptionsPageBase::OptionsPageBase(Profile* profile)
     : profile_(profile) {
 }
 
 OptionsPageBase::~OptionsPageBase() {
 }
 
 void OptionsPageBase::UserMetricsRecordAction(const UserMetricsAction& action,
                                               PrefService* prefs) {
   UserMetrics::RecordAction(action, profile());
   if (prefs)
     prefs->ScheduleSavePersistentPrefs();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // OptionsPageBase, NotificationObserver implementation:
 
 void OptionsPageBase::Observe(NotificationType type,
                               const NotificationSource& source,
                               const NotificationDetails& details) {
   if (type == NotificationType::PREF_CHANGED)
     NotifyPrefChanged(Details<std::string>(details).ptr());
 }