Hide notifications popups when entering fullscreen mode.

chrome/browser/notifications/notification_ui_manager_impl.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_NOTIFICATION_UI_MANAGER_IMPL_H_
 #define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_IMPL_H_
 
 #include <deque>
 #include <string>
 #include <vector>
@@ skipping 40 matching lines @@
 
  protected:
   // Attempts to pass a notification from a waiting queue to the subclass for
   // presentation. The subclass can return 'false' if it cannot show the
   // notification right away. In that case it should invoke
   // CheckAndShowNotificaitons() later.
   virtual bool ShowNotification(const Notification& notification,
                                 Profile* profile) = 0;
 
   // Replace an existing notification of the same id with this one if
-  // applicable; subclass returns 'true' if the replacement happened.
+  // applicable. Subclass returns 'true' if the replacement happened.
   virtual bool UpdateNotification(const Notification& notification,
                                   Profile* profile) = 0;
 
-  // Attempts to display notifications from the show_queue. Invoked by subclass
-  // if it previously returned 'false' from ShowNotifications, which may happen
-  // when there is no room to show another notification. When room appears, the
-  // subclass should call this method to cause an attempt to show more
-  // notifications from the waiting queue.
+  // Attempts to display notifications from the show_queue. Invoked by
+  // subclasses if they previously returned 'false' from ShowNotifications,
+  // which may happen when there is no room to show another notification. When
+  // room appears, the subclass should call this method to cause an attempt to
+  // show more notifications from the waiting queue.
   void CheckAndShowNotifications();
 
- private:
   // content::NotificationObserver override.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
+ private:
   // Attempts to display notifications from the show_queue.
   void ShowNotifications();
 
   // Checks the user state to decide if we want to show the notification.
   void CheckUserState();
 
   // A queue of notifications which are waiting to be shown.
   typedef std::deque<linked_ptr<QueuedNotification> > NotificationDeque;
   NotificationDeque show_queue_;
 
   // Registrar for the other kind of notifications (event signaling).
   content::NotificationRegistrar registrar_;
 
   // Used by screen-saver and full-screen handling support.
   bool is_user_active_;
   base::RepeatingTimer<NotificationUIManagerImpl> user_state_check_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(NotificationUIManagerImpl);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_IMPL_H_