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diff --git a/chrome/browser/notifications/desktop_notification_service.h b/chrome/browser/notifications/desktop_notification_service.h
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+// 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.
+
+#ifndef CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_
+#define CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_
+
+#include <set>
+
+#include "base/basictypes.h"
+#include "chrome/browser/notifications/notification.h"
+#include "chrome/common/content_settings.h"
+#include "chrome/common/notification_observer.h"
+#include "chrome/common/notification_registrar.h"
+#include "chrome/common/notification_service.h"
+#include "googleurl/src/gurl.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebTextDirection.h"
+
+class NotificationUIManager;
+class NotificationsPrefsCache;
+class PrefService;
+class Profile;
+class Task;
+class TabContents;
+struct ViewHostMsg_ShowNotification_Params;
+
+// The DesktopNotificationService is an object, owned by the Profile,
+// which provides the creation of desktop "toasts" to web pages and workers.
+class DesktopNotificationService : public NotificationObserver {
+ public:
+  enum DesktopNotificationSource {
+    PageNotification,
+    WorkerNotification
+  };
+
+  DesktopNotificationService(Profile* profile,
+                             NotificationUIManager* ui_manager);
+  virtual ~DesktopNotificationService();
+
+  // Requests permission (using an info-bar) for a given origin.
+  // |callback_context| contains an opaque value to pass back to the
+  // requesting process when the info-bar finishes.
+  void RequestPermission(const GURL& origin,
+                         int process_id,
+                         int route_id,
+                         int callback_context,
+                         TabContents* tab);
+
+  // ShowNotification is called on the UI thread handling IPCs from a child
+  // process, identified by |process_id| and |route_id|.  |source| indicates
+  // whether the script is in a worker or page. |params| contains all the
+  // other parameters supplied by the worker or page.
+  bool ShowDesktopNotification(
+      const ViewHostMsg_ShowNotification_Params& params,
+      int process_id, int route_id, DesktopNotificationSource source);
+
+  // Cancels a notification.  If it has already been shown, it will be
+  // removed from the screen.  If it hasn't been shown yet, it won't be
+  // shown.
+  bool CancelDesktopNotification(int process_id,
+                                 int route_id,
+                                 int notification_id);
+
+  // Methods to setup and modify permission preferences.
+  void GrantPermission(const GURL& origin);
+  void DenyPermission(const GURL& origin);
+
+  // NotificationObserver implementation.
+  virtual void Observe(NotificationType type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details);
+
+  NotificationsPrefsCache* prefs_cache() { return prefs_cache_; }
+
+  // Creates a data:xxxx URL which contains the full HTML for a notification
+  // using supplied icon, title, and text, run through a template which contains
+  // the standard formatting for notifications.
+  static string16 CreateDataUrl(const GURL& icon_url,
+                                const string16& title,
+                                const string16& body,
+                                WebKit::WebTextDirection dir);
+
+  // The default content setting determines how to handle origins that haven't
+  // been allowed or denied yet.
+  ContentSetting GetDefaultContentSetting();
+  void SetDefaultContentSetting(ContentSetting setting);
+
+  // Returns all origins that explicitly have been allowed.
+  std::vector<GURL> GetAllowedOrigins();
+
+  // Returns all origins that explicitly have been denied.
+  std::vector<GURL> GetBlockedOrigins();
+
+  // Removes an origin from the "explicitly allowed" set.
+  void ResetAllowedOrigin(const GURL& origin);
+
+  // Removes an origin from the "explicitly denied" set.
+  void ResetBlockedOrigin(const GURL& origin);
+
+  // Clears the sets of explicitly allowed and denied origins.
+  void ResetAllOrigins();
+
+  static void RegisterUserPrefs(PrefService* user_prefs);
+ private:
+  void InitPrefs();
+  void StartObserving();
+  void StopObserving();
+
+  // Takes a notification object and shows it in the UI.
+  void ShowNotification(const Notification& notification);
+
+  // Save a permission change to the profile.
+  void PersistPermissionChange(const GURL& origin, bool is_allowed);
+
+  // Returns a display name for an origin, to be used in permission infobar
+  // or on the frame of the notification toast.  Different from the origin
+  // itself when dealing with extensions.
+  std::wstring DisplayNameForOrigin(const GURL& origin);
+
+  ContentSetting GetContentSetting(const GURL& origin);
+
+  // The profile which owns this object.
+  Profile* profile_;
+
+  // A cache of preferences which is accessible only on the IO thread
+  // to service synchronous IPCs.
+  scoped_refptr<NotificationsPrefsCache> prefs_cache_;
+
+  // Non-owned pointer to the notification manager which manages the
+  // UI for desktop toasts.
+  NotificationUIManager* ui_manager_;
+
+  DISALLOW_COPY_AND_ASSIGN(DesktopNotificationService);
+};
+
+#endif  // CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_