Migrate Obsolete NotificationsSettings and remove content_settings::NotificationsProvider.

chrome/browser/notifications/desktop_notification_service.h

Index: chrome/browser/notifications/desktop_notification_service.h
diff --git a/chrome/browser/notifications/desktop_notification_service.h b/chrome/browser/notifications/desktop_notification_service.h
index 4ef69fdcac361126d570584c7d738654a3a666db..95a6cb46a92b9607e2b3dab46c7e9f300e7e78df 100644
--- a/chrome/browser/notifications/desktop_notification_service.h
+++ b/chrome/browser/notifications/desktop_notification_service.h
@@ -13,9 +13,7 @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string16.h"
-#include "chrome/browser/content_settings/content_settings_notification_provider.h"
 #include "chrome/browser/content_settings/content_settings_provider.h"
-#include "chrome/browser/prefs/pref_change_registrar.h"
 #include "chrome/browser/profiles/profile_keyed_service.h"
 #include "chrome/common/content_settings.h"
 #include "content/common/notification_observer.h"
@@ -123,8 +121,6 @@ class DesktopNotificationService : public NotificationObserver,
   // Clears the sets of explicitly allowed and denied origins.
   void ResetAllOrigins();
 
-  static void RegisterUserPrefs(PrefService* user_prefs);
-
   ContentSetting GetContentSetting(const GURL& origin);
 
   // Checks to see if a given origin has permission to create desktop
@@ -137,8 +133,6 @@ class DesktopNotificationService : public NotificationObserver,
   void StartObserving();
   void StopObserving();
 
-  void OnPrefsChanged(const std::string& pref_name);
-
   // Takes a notification object and shows it in the UI.
   void ShowNotification(const Notification& notification);
 
@@ -161,9 +155,6 @@ class DesktopNotificationService : public NotificationObserver,
   // UI for desktop toasts.
   NotificationUIManager* ui_manager_;
 
-  scoped_ptr<content_settings::NotificationProvider> provider_;
-
-  PrefChangeRegistrar prefs_registrar_;
   NotificationRegistrar notification_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopNotificationService);