Remove balloon notification code. The last user was the Linux GTK port but that's deleted now.

chrome/browser/notifications/balloon_notification_ui_manager.h

-// Copyright (c) 2012 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_BALLOON_NOTIFICATION_UI_MANAGER_H_
-#define CHROME_BROWSER_NOTIFICATIONS_BALLOON_NOTIFICATION_UI_MANAGER_H_
-
-#include <deque>
-#include <string>
-
-#include "base/memory/linked_ptr.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/prefs/pref_member.h"
-#include "chrome/browser/notifications/balloon.h"
-#include "chrome/browser/notifications/balloon_collection.h"
-#include "chrome/browser/notifications/fullscreen_notification_blocker.h"
-#include "chrome/browser/notifications/notification_prefs_manager.h"
-#include "chrome/browser/notifications/notification_system_observer.h"
-#include "chrome/browser/notifications/notification_ui_manager.h"
-#include "chrome/browser/notifications/screen_lock_notification_blocker.h"
-
-class Notification;
-class PrefService;
-class Profile;
-class QueuedNotification;
-
-// The notification manager manages use of the desktop for notifications.
-// It maintains a queue of pending notifications when space becomes constrained.
-class BalloonNotificationUIManager
-    : public NotificationUIManager,
-      public NotificationPrefsManager,
-      public BalloonCollection::BalloonSpaceChangeListener,
-      public message_center::NotificationBlocker::Observer {
- public:
-  explicit BalloonNotificationUIManager(PrefService* local_state);
-  virtual ~BalloonNotificationUIManager();
-
-  // Initializes the UI manager with a balloon collection; this object
-  // takes ownership of the balloon collection.
-  void SetBalloonCollection(BalloonCollection* balloon_collection);
-
-  // NotificationUIManager overrides:
-  virtual void Add(const Notification& notification,
-                   Profile* profile) OVERRIDE;
-  virtual bool Update(const Notification& notification,
-                      Profile* profile) OVERRIDE;
-  virtual const Notification* FindById(
-      const std::string& notification_id) const OVERRIDE;
-  virtual bool CancelById(const std::string& notification_id) OVERRIDE;
-  virtual std::set<std::string> GetAllIdsByProfileAndSourceOrigin(
-      Profile* profile,
-      const GURL& source) OVERRIDE;
-  virtual bool CancelAllBySourceOrigin(const GURL& source_origin) OVERRIDE;
-  virtual bool CancelAllByProfile(Profile* profile) OVERRIDE;
-  virtual void CancelAll() OVERRIDE;
-
-  // NotificationPrefsManager overrides:
-  virtual BalloonCollection::PositionPreference
-      GetPositionPreference() const OVERRIDE;
-  virtual void SetPositionPreference(
-      BalloonCollection::PositionPreference preference) OVERRIDE;
-
-  BalloonCollection* balloon_collection();
-  NotificationPrefsManager* prefs_manager();
-
-  // Helper used to pull the static instance for testing.
-  // In tests, use this instead of g_browser_process->notification_ui_manager().
-  static BalloonNotificationUIManager* GetInstanceForTesting();
-
-  void GetQueuedNotificationsForTesting(
-    std::vector<const Notification*>* notifications);
-
- private:
-  bool ShowNotification(const Notification& notification, Profile* profile);
-  bool UpdateNotification(const Notification& notification, Profile* profile);
-
-  // Attempts to display notifications from the show_queue. Invoked if they
-  // previously returned 'false' from ShowNotifications, which may happen when
-  // there is no room to show another notification or notifications are blocked.
-  void CheckAndShowNotifications();
-
-  void ShowNotifications();
-
-  void OnDesktopNotificationPositionChanged();
-
-  // BalloonCollectionObserver overrides:
-  virtual void OnBalloonSpaceChanged() OVERRIDE;
-
-  // NotificationBlocker::Observer overrides:
-  virtual void OnBlockingStateChanged(
-      message_center::NotificationBlocker* blocker) OVERRIDE;
-
-  // A queue of notifications which are waiting to be shown.
-  typedef std::deque<linked_ptr<QueuedNotification> > NotificationDeque;
-  NotificationDeque show_queue_;
-
-  // An owned pointer to the collection of active balloons.
-  scoped_ptr<BalloonCollection> balloon_collection_;
-
-  ScreenLockNotificationBlocker screen_lock_blocker_;
-  FullscreenNotificationBlocker fullscreen_blocker_;
-
-  // Prefs listener for the position preference.
-  IntegerPrefMember position_pref_;
-
-  NotificationSystemObserver system_observer_;
-
-  DISALLOW_COPY_AND_ASSIGN(BalloonNotificationUIManager);
-};
-
-#endif  // CHROME_BROWSER_NOTIFICATIONS_BALLOON_NOTIFICATION_UI_MANAGER_H_