Add testRunner.cancelAllActiveNotifications to close all active notifications.

Source/testing/runner/NotificationPresenter.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 37 matching lines @@
     virtual ~NotificationPresenter();
 
     void setDelegate(WebTestDelegate* delegate) { m_delegate = delegate; }
 
     // Called by the TestRunner to simulate a user granting permission.
     void grantPermission(const WebKit::WebString& origin);
 
     // Called by the TestRunner to simulate a user clicking on a notification.
     bool simulateClick(const WebKit::WebString& notificationIdentifier);
 
+    // Called by the TestRunner to cancel all active notications.
+    void cancelAllActiveNotifications();
+
     // WebKit::WebNotificationPresenter interface
     virtual bool show(const WebKit::WebNotification&);
     virtual void cancel(const WebKit::WebNotification&);
     virtual void objectDestroyed(const WebKit::WebNotification&);
     virtual Permission checkPermission(const WebKit::WebSecurityOrigin&);
     virtual void requestPermission(const WebKit::WebSecurityOrigin&, WebKit::WebNotificationPermissionCallback*);
 
     void reset() { m_allowedOrigins.clear(); }
 
 private:
     WebTestDelegate* m_delegate;
 
     // Set of allowed origins.
     std::set<std::string> m_allowedOrigins;
 
     // Map of active notifications.
     std::map<std::string, WebKit::WebNotification> m_activeNotifications;
 
     // Map of active replacement IDs to the titles of those notifications
     std::map<std::string, std::string> m_replacements;
 };
 
 }
 
 #endif // NotificationPresenter_h