Add preference for managed notifications setting.

chrome/browser/content_settings/content_settings_notification_provider.cc

 // Copyright (c) 2011 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/content_settings/content_settings_notification_provider.h"
 
 #include "base/string_util.h"
 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
 #include "chrome/browser/notifications/notification.h"
@@ skipping 158 matching lines @@
     StopObserving();
   }
 }
 
 /////////////////////////////////////////////////////////////////////
 // Private
 //
 
 void NotificationProvider::StartObserving() {
   if (!profile_->IsOffTheRecord()) {
-    prefs_registrar_.Add(prefs::kDesktopNotificationDefaultContentSetting,
-                         this);
     prefs_registrar_.Add(prefs::kDesktopNotificationAllowedOrigins, this);
     prefs_registrar_.Add(prefs::kDesktopNotificationDeniedOrigins, this);
 
     notification_registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED,
                                 NotificationService::AllSources());
   }
 
   notification_registrar_.Add(this, chrome::NOTIFICATION_PROFILE_DESTROYED,
                               Source<Profile>(profile_));
 }
@@ skipping 170 matching lines @@
   prefs->ScheduleSavePersistentPrefs();
 }
 
 void NotificationProvider::ResetAllOrigins() {
   PrefService* prefs = profile_->GetPrefs();
   prefs->ClearPref(prefs::kDesktopNotificationAllowedOrigins);
   prefs->ClearPref(prefs::kDesktopNotificationDeniedOrigins);
 }
 
 }  // namespace content_settings