Add a Create method to DesktopNotificationHandler and stubs for the notification objects.

chrome/browser/notifications/notification_ui_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_H_
 #define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_H_
 #pragma once
 
 #include <deque>
 #include <string>
@@ skipping 12 matching lines @@
 class Profile;
 class QueuedNotification;
 class SiteInstance;
 
 // The notification manager manages use of the desktop for notifications.
 // It maintains a queue of pending notifications when space becomes constrained.
 class NotificationUIManager
     : public BalloonCollection::BalloonSpaceChangeListener,
       public NotificationObserver {
  public:
-  explicit NotificationUIManager(PrefService* local_state);
   virtual ~NotificationUIManager();
 
   // Creates an initialized UI manager with a new balloon collection
   // and the listener relationship setup.
   // Except for unit tests, this is the way to construct the object.
   static NotificationUIManager* Create(PrefService* local_state);
 
+  // Creates an initialized UI manager with the given balloon collection
+  // and the listener relationship setup.
+  // Used primarily by unit tests.
+  static NotificationUIManager* Create(PrefService* local_state,
+                                       BalloonCollection* balloons);
+
   // Registers preferences.
   static void RegisterPrefs(PrefService* prefs);
 
   // Initializes the UI manager with a balloon collection; this object
   // takes ownership of the balloon collection.
   void Initialize(BalloonCollection* balloon_collection);
 
   // Adds a notification to be displayed. Virtual for unit test override.
   virtual void Add(const Notification& notification,
                    Profile* profile);
@@ skipping 17 matching lines @@
   }
 
   // Gets the preference indicating where notifications should be placed.
   BalloonCollection::PositionPreference GetPositionPreference();
 
   // Sets the preference that indicates where notifications should
   // be placed on the screen.
   void SetPositionPreference(BalloonCollection::PositionPreference preference);
 
  private:
+  explicit NotificationUIManager(PrefService* local_state);
+
   // NotificationObserver override.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   // Attempts to display notifications from the show_queue if the user
   // is active.
   void CheckAndShowNotifications();
 
   // Attempts to display notifications from the show_queue.
@@ skipping 23 matching lines @@
   IntegerPrefMember position_pref_;
 
   // Used by screen-saver and full-screen handling support.
   bool is_user_active_;
   base::RepeatingTimer<NotificationUIManager> user_state_check_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(NotificationUIManager);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_H_